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Kintara Therapeutics, Inc. – ‘S-1/A’ on 7/11/19 – ‘EX-101.LAB’

On:  Thursday, 7/11/19, at 4:17pm ET   ·   Accession #:  1213900-19-12524   ·   File #:  333-232332

Previous ‘S-1’:  ‘S-1’ on 6/25/19   ·   Next:  ‘S-1’ on 8/1/19   ·   Latest:  ‘S-1/A’ on 10/27/23

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 7/11/19  DelMar Pharmaceuticals, Inc.      S-1/A                 71:7.9M                                   Edgar Agents LLC/FA

Pre-Effective Amendment to Registration Statement (General Form)   —   Form S-1
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: S-1/A       Amendment No. 1 to Form S-1                         HTML   1.11M 
 2: EX-23.1     Consent of Ernst & Young, LLP                       HTML     19K 
 9: R1          Document and Entity Information                     HTML     34K 
10: R2          Consolidated Condensed Interim Balance Sheets       HTML     90K 
11: R3          Consolidated Condensed Interim Balance Sheets       HTML     41K 
                (Parenthetical)                                                  
12: R4          Consolidated Condensed Interim Statements of Loss   HTML     63K 
                and Comprehensive Loss                                           
13: R5          Consolidated Statements of Changes in               HTML    112K 
                Stockholders' Equity                                             
14: R6          Consolidated Condensed Interim Statements of Cash   HTML     84K 
                Flows                                                            
15: R7          Going Concern, Nature of Operations, and Corporate  HTML     40K 
                History                                                          
16: R8          Significant Accounting Policies                     HTML     81K 
17: R9          Valent Technologies, LLC                            HTML     28K 
18: R10         Derivative Liability                                HTML     61K 
19: R11         Stockholders' Equity                                HTML    227K 
20: R12         Financial Instruments                               HTML     36K 
21: R13         Related Party Transactions                          HTML     22K 
22: R14         Current and Deferred Income Taxes                   HTML     37K 
23: R15         Commitments and Contingencies                       HTML     25K 
24: R16         Supplementary Statement of Cash Flows Information   HTML     31K 
25: R17         Financial Risk Management                           HTML     34K 
26: R18         Subsequent Events                                   HTML     32K 
27: R19         Significant Accounting Policies (Policies)          HTML    129K 
28: R20         Significant Accounting Policies (Tables)            HTML     25K 
29: R21         Derivative Liability (Tables)                       HTML     57K 
30: R22         Stockholders' Equity (Tables)                       HTML    202K 
31: R23         Financial Instruments (Tables)                      HTML     28K 
32: R24         Current and Deferred Income Taxes (Tables)          HTML     47K 
33: R25         Supplementary Statement of Cash Flows Information   HTML     30K 
                (Tables)                                                         
34: R26         Financial Risk Management (Tables)                  HTML     33K 
35: R27         Going Concern, Nature of Operations, and Corporate  HTML     37K 
                History (Details)                                                
36: R28         Significant Accounting Policies (Details)           HTML     30K 
37: R29         Significant Accounting Policies (Details Textual)   HTML     45K 
38: R30         Valent Technologies, LLC (Details)                  HTML     49K 
39: R31         Derivative Liability (Details)                      HTML     37K 
40: R32         Derivative Liability (Details 1)                    HTML     41K 
41: R33         Derivative Liability (Details Textual)              HTML     71K 
42: R34         Stockholders' Equity (Details)                      HTML    100K 
43: R35         Stockholders' Equity (Details 1)                    HTML     30K 
44: R36         Stockholders' Equity (Details 2)                    HTML     37K 
45: R37         Stockholders' Equity (Details 3)                    HTML     40K 
46: R38         Stockholders' Equity (Details 4)                    HTML    118K 
47: R39         Stockholders' Equity (Details 5)                    HTML     38K 
48: R40         Stockholders' Equity (Details 6)                    HTML     30K 
49: R41         Stockholders' Equity (Details 7)                    HTML     51K 
50: R42         Stockholders' Equity (Details 8)                    HTML     35K 
51: R43         Stockholders' Equity (Details 9)                    HTML     58K 
52: R44         Stockholders' Equity (Details 10)                   HTML     90K 
53: R45         Stockholders' Equity (Details 11)                   HTML     33K 
54: R46         Financial Instruments (Details)                     HTML     28K 
55: R47         Related Party Transactions (Details)                HTML     23K 
56: R48         Current and Deferred Income Taxes (Details)         HTML     47K 
57: R49         Current and Deferred Income Taxes (Details 1)       HTML     44K 
58: R50         Current and Deferred Income Taxes (Details          HTML     46K 
                Textual)                                                         
59: R51         Commitments and Contingencies (Details)             HTML     27K 
60: R52         Stockholders' Equity (Details Textual)              HTML     91K 
61: R53         Stockholders' Equity (Details Textual 1)            HTML     66K 
62: R54         Stockholders' Equity (Details Textual 2)            HTML     52K 
63: R55         Stockholders' Equity (Details Textual 3)            HTML     46K 
64: R56         Supplementary Statement of Cash Flows Information   HTML     43K 
                (Details)                                                        
65: R57         Financial Risk Management (Details)                 HTML     27K 
66: R58         Financial Risk Management (Details 1)               HTML     28K 
67: R59         Financial Risk Management (Details Textual)         HTML     48K 
68: R60         Subsequent Events (Details)                         HTML     51K 
70: XML         IDEA XML File -- Filing Summary                      XML    133K 
69: EXCEL       IDEA Workbook of Financial Reports                  XLSX    101K 
 3: EX-101.INS  XBRL Instance -- dmpi-20190331                       XML   2.20M 
 5: EX-101.CAL  XBRL Calculations -- dmpi-20190331_cal               XML    142K 
 6: EX-101.DEF  XBRL Definitions -- dmpi-20190331_def                XML    703K 
 7: EX-101.LAB  XBRL Labels -- dmpi-20190331_lab                     XML   1.14M 
 8: EX-101.PRE  XBRL Presentations -- dmpi-20190331_pre              XML    897K 
 4: EX-101.SCH  XBRL Schema -- dmpi-20190331                         XSD    211K 
71: ZIP         XBRL Zipped Folder -- 0001213900-19-012524-xbrl      Zip    171K

‘EX-101.LAB’   —   XBRL Labels — dmpi-20190331_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
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<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xml:lang="en-US"> Class of Stock [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="us-gaap_SeriesBPreferredStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesBPreferredStockMember" xlink:to="us-gaap_SeriesBPreferredStockMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeriesBPreferredStockMember_lbl" xml:lang="en-US"> Series B Preferred Stock [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="us-gaap_SeriesAPreferredStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesAPreferredStockMember" xlink:to="us-gaap_SeriesAPreferredStockMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xml:lang="en-US"> Series A Preferred Stock [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US"> Equity Components [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantMember" xlink:to="us-gaap_WarrantMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WarrantMember_lbl" xml:lang="en-US"> Warrant [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US"> Common Stock [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US"> Retained Earnings [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US"> Additional Paid-in Capital [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgreementsAxis" xlink:label="dmpi_AgreementsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementsAxis" xlink:to="dmpi_AgreementsAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgreementsAxis_lbl" xml:lang="en-US"> Agreements [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExchangeAgreementMember" xlink:label="dmpi_ExchangeAgreementMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExchangeAgreementMember" xlink:to="dmpi_ExchangeAgreementMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExchangeAgreementMember_lbl" xml:lang="en-US"> Exchange Agreement [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US"> Award Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_OmnibusIncentivePlanMember" xlink:label="dmpi_OmnibusIncentivePlanMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_OmnibusIncentivePlanMember" xlink:to="dmpi_OmnibusIncentivePlanMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_OmnibusIncentivePlanMember_lbl" xml:lang="en-US"> Omnibus Incentive Plan [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PerformanceStockUnitsMember" xlink:label="dmpi_PerformanceStockUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PerformanceStockUnitsMember" xlink:to="dmpi_PerformanceStockUnitsMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_PerformanceStockUnitsMember_lbl" xml:lang="en-US"> Performance Stock Units [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xml:lang="en-US"> Employee Stock Option [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xml:lang="en-US"> Antidilutive Securities [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SeriesBConvertiblePreferredSharesMember" xlink:label="dmpi_SeriesBConvertiblePreferredSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesBConvertiblePreferredSharesMember" xlink:to="dmpi_SeriesBConvertiblePreferredSharesMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SeriesBConvertiblePreferredSharesMember_lbl" xml:lang="en-US"> Series B Convertible Preferred Shares [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US"> Legal Entity [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ValentTechnologiesLlcMember" xlink:label="dmpi_ValentTechnologiesLlcMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesLlcMember" xlink:to="dmpi_ValentTechnologiesLlcMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ValentTechnologiesLlcMember_lbl" xml:lang="en-US"> Valent Technologies Llc [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US"> Range [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US"> Minimum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US"> Maximum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xml:lang="en-US"> Exercise Price Range [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceMember" xlink:label="dmpi_ExercisePriceMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceMember" xlink:to="dmpi_ExercisePriceMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceMember_lbl" xml:lang="en-US"> Exercise Price [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceOneMember" xlink:label="dmpi_ExercisePriceOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceOneMember" xlink:to="dmpi_ExercisePriceOneMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceOneMember_lbl" xml:lang="en-US"> Exercise Price One [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceTwoMember" xlink:label="dmpi_ExercisePriceTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTwoMember" xlink:to="dmpi_ExercisePriceTwoMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceTwoMember_lbl" xml:lang="en-US"> Exercise Price Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceThreeMember" xlink:label="dmpi_ExercisePriceThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceThreeMember" xlink:to="dmpi_ExercisePriceThreeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceThreeMember_lbl" xml:lang="en-US"> Exercise Price Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceFourMember" xlink:label="dmpi_ExercisePriceFourMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFourMember" xlink:to="dmpi_ExercisePriceFourMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceFourMember_lbl" xml:lang="en-US"> Exercise Price Four [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceFiveMember" xlink:label="dmpi_ExercisePriceFiveMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFiveMember" xlink:to="dmpi_ExercisePriceFiveMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceFiveMember_lbl" xml:lang="en-US"> Exercise Price Five [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceSixMember" xlink:label="dmpi_ExercisePriceSixMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSixMember" xlink:to="dmpi_ExercisePriceSixMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceSixMember_lbl" xml:lang="en-US"> Exercise Price Six [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceSevenMember" xlink:label="dmpi_ExercisePriceSevenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSevenMember" xlink:to="dmpi_ExercisePriceSevenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceSevenMember_lbl" xml:lang="en-US"> Exercise Price Seven [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceEightMember" xlink:label="dmpi_ExercisePriceEightMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceEightMember" xlink:to="dmpi_ExercisePriceEightMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceEightMember_lbl" xml:lang="en-US"> Exercise Price Eight [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceNineMember" xlink:label="dmpi_ExercisePriceNineMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceNineMember" xlink:to="dmpi_ExercisePriceNineMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceNineMember_lbl" xml:lang="en-US"> Exercise Price Nine [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceTenMember" xlink:label="dmpi_ExercisePriceTenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTenMember" xlink:to="dmpi_ExercisePriceTenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceTenMember_lbl" xml:lang="en-US"> Exercise Price Ten [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceElevenMember" xlink:label="dmpi_ExercisePriceElevenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceElevenMember" xlink:to="dmpi_ExercisePriceElevenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceElevenMember_lbl" xml:lang="en-US"> Exercise Price Eleven [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceTwelveMember" xlink:label="dmpi_ExercisePriceTwelveMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTwelveMember" xlink:to="dmpi_ExercisePriceTwelveMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceTwelveMember_lbl" xml:lang="en-US"> Exercise Price Twelve [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceThirteenMember" xlink:label="dmpi_ExercisePriceThirteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceThirteenMember" xlink:to="dmpi_ExercisePriceThirteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceThirteenMember_lbl" xml:lang="en-US"> Exercise Price Thirteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceFourteenMember" xlink:label="dmpi_ExercisePriceFourteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFourteenMember" xlink:to="dmpi_ExercisePriceFourteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceFourteenMember_lbl" xml:lang="en-US"> Exercise Price Fourteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceFifteenMember" xlink:label="dmpi_ExercisePriceFifteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFifteenMember" xlink:to="dmpi_ExercisePriceFifteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceFifteenMember_lbl" xml:lang="en-US"> Exercise Price Fifteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceSixteenMember" xlink:label="dmpi_ExercisePriceSixteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSixteenMember" xlink:to="dmpi_ExercisePriceSixteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceSixteenMember_lbl" xml:lang="en-US"> Exercise Price Sixteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceSeventeenMember" xlink:label="dmpi_ExercisePriceSeventeenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSeventeenMember" xlink:to="dmpi_ExercisePriceSeventeenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceSeventeenMember_lbl" xml:lang="en-US"> Exercise Price Seventeen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceEighteenMember" xlink:label="dmpi_ExercisePriceEighteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceEighteenMember" xlink:to="dmpi_ExercisePriceEighteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceEighteenMember_lbl" xml:lang="en-US"> Exercise Price Eighteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xml:lang="en-US"> Research and Development Expense [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xml:lang="en-US"> General and Administrative Expense [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US"> Related Party [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestorMember" xlink:label="us-gaap_InvestorMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestorMember" xlink:to="us-gaap_InvestorMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestorMember_lbl" xml:lang="en-US"> Investor [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_InvestorOneMember" xlink:label="dmpi_InvestorOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorOneMember" xlink:to="dmpi_InvestorOneMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_InvestorOneMember_lbl" xml:lang="en-US"> Investor One [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_InvestorTwoMember" xlink:label="dmpi_InvestorTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorTwoMember" xlink:to="dmpi_InvestorTwoMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_InvestorTwoMember_lbl" xml:lang="en-US"> Investor Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PlacementAgentMember" xlink:label="dmpi_PlacementAgentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PlacementAgentMember" xlink:to="dmpi_PlacementAgentMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_PlacementAgentMember_lbl" xml:lang="en-US"> Placement Agent [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesByIndustryAxis" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesByIndustryAxis" xlink:to="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xml:lang="en-US"> Industry Sector [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesOneMember" xlink:label="dmpi_IssuedForServicesOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesOneMember" xlink:to="dmpi_IssuedForServicesOneMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesOneMember_lbl" xml:lang="en-US"> Issued For Services One [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesTwoMember" xlink:label="dmpi_IssuedForServicesTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesTwoMember" xlink:to="dmpi_IssuedForServicesTwoMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesTwoMember_lbl" xml:lang="en-US"> Issued For Services Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesThreeMember" xlink:label="dmpi_IssuedForServicesThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesThreeMember" xlink:to="dmpi_IssuedForServicesThreeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesThreeMember_lbl" xml:lang="en-US"> Issued For Services Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesFourMember" xlink:label="dmpi_IssuedForServicesFourMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesFourMember" xlink:to="dmpi_IssuedForServicesFourMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesFourMember_lbl" xml:lang="en-US"> Issued For Services Four [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgentMember" xlink:label="dmpi_AgentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentMember" xlink:to="dmpi_AgentMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgentMember_lbl" xml:lang="en-US"> Agent [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgentOneMember" xlink:label="dmpi_AgentOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentOneMember" xlink:to="dmpi_AgentOneMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgentOneMember_lbl" xml:lang="en-US"> Agent One [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgentThreeMember" xlink:label="dmpi_AgentThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentThreeMember" xlink:to="dmpi_AgentThreeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgentThreeMember_lbl" xml:lang="en-US"> Agent Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgentTwoMember" xlink:label="dmpi_AgentTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentTwoMember" xlink:to="dmpi_AgentTwoMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgentTwoMember_lbl" xml:lang="en-US"> Agent Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesMember" xlink:label="dmpi_IssuedForServicesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesMember" xlink:to="dmpi_IssuedForServicesMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesMember_lbl" xml:lang="en-US"> Issued For Services [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xml:lang="en-US"> Sale of Stock [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneEightPublicOfferingMember" xlink:label="dmpi_TwoZeroOneEightPublicOfferingMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneEightPublicOfferingMember" xlink:to="dmpi_TwoZeroOneEightPublicOfferingMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneEightPublicOfferingMember_lbl" xml:lang="en-US"> Two Zero One Eight Public Offering [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceOfCaMember" xlink:label="dmpi_ExercisePriceOfCaMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceOfCaMember" xlink:to="dmpi_ExercisePriceOfCaMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceOfCaMember_lbl" xml:lang="en-US"> Exercise Price Of Ca [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ConvertedExercisePricesMember" xlink:label="dmpi_ConvertedExercisePricesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConvertedExercisePricesMember" xlink:to="dmpi_ConvertedExercisePricesMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ConvertedExercisePricesMember_lbl" xml:lang="en-US"> Converted Exercise Prices [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xml:lang="en-US"> Fair Value Hierarchy and NAV [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US"> Fair Value, Inputs, Level 1 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US"> Fair Value, Inputs, Level 2 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisePriceNineteenMember" xlink:label="dmpi_ExercisePriceNineteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceNineteenMember" xlink:to="dmpi_ExercisePriceNineteenMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisePriceNineteenMember_lbl" xml:lang="en-US"> Exercise Price Nineteen [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuedForServicesFiveMember" xlink:label="dmpi_IssuedForServicesFiveMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesFiveMember" xlink:to="dmpi_IssuedForServicesFiveMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuedForServicesFiveMember_lbl" xml:lang="en-US"> Issued For Services Five [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US"> Subsequent Event [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="us-gaap_TitleOfIndividualAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TitleOfIndividualAxis_lbl" xml:lang="en-US"> Title of Individual [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BoardOfDirectorsChairmanMember" xlink:label="us-gaap_BoardOfDirectorsChairmanMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BoardOfDirectorsChairmanMember" xlink:to="us-gaap_BoardOfDirectorsChairmanMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BoardOfDirectorsChairmanMember_lbl" xml:lang="en-US"> Board of Directors [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl" xml:lang="en-US"> Plan Name [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoThousandSeventeenOmnibusPlanMember" xlink:label="dmpi_TwoThousandSeventeenOmnibusPlanMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoThousandSeventeenOmnibusPlanMember" xlink:to="dmpi_TwoThousandSeventeenOmnibusPlanMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoThousandSeventeenOmnibusPlanMember_lbl" xml:lang="en-US"> 2017 Omnibus Plan [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_FormerPresidentAndChiefOperatingOfficerMember" xlink:label="dmpi_FormerPresidentAndChiefOperatingOfficerMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FormerPresidentAndChiefOperatingOfficerMember" xlink:to="dmpi_FormerPresidentAndChiefOperatingOfficerMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_FormerPresidentAndChiefOperatingOfficerMember_lbl" xml:lang="en-US"> Former President And Chief Operating Officer [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="srt_StatementGeographicalAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementGeographicalAxis_lbl" xml:lang="en-US"> Geographical [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CanadianMember" xlink:label="dmpi_CanadianMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CanadianMember" xlink:to="dmpi_CanadianMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CanadianMember_lbl" xml:lang="en-US"> Canadian [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_UsAndCanadianMember" xlink:label="dmpi_UsAndCanadianMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_UsAndCanadianMember" xlink:to="dmpi_UsAndCanadianMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_UsAndCanadianMember_lbl" xml:lang="en-US"> Us And Canadian [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingActivityByTypeAxis" xlink:label="us-gaap_TradingActivityByTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradingActivityByTypeAxis" xlink:to="us-gaap_TradingActivityByTypeAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradingActivityByTypeAxis_lbl" xml:lang="en-US"> Trading Activity [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignExchangeMember" xlink:label="us-gaap_ForeignExchangeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeMember" xlink:to="us-gaap_ForeignExchangeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignExchangeMember_lbl" xml:lang="en-US"> Foreign exchange risk [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis" xlink:label="us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis" xlink:to="us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis_lbl" xml:lang="en-US"> Servicing Assets and Servicing Liabilities Risk [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_LiquidityRiskMember" xlink:label="dmpi_LiquidityRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LiquidityRiskMember" xlink:to="dmpi_LiquidityRiskMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_LiquidityRiskMember_lbl" xml:lang="en-US"> Liquidity Risk [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="us-gaap_PreferredStockMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockMember_lbl" xml:lang="en-US"> Preferred Stock [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_2_lbl" xml:lang="en-US"> Fair Value, Hierarchy [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CurrencyAxis" xlink:to="srt_CurrencyAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CurrencyAxis_lbl" xml:lang="en-US"> Currency [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CanadianDollarMember" xlink:label="dmpi_CanadianDollarMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CanadianDollarMember" xlink:to="dmpi_CanadianDollarMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CanadianDollarMember_lbl" xml:lang="en-US"> CA [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneThreeInvestorWarrantsMember" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneThreeInvestorWarrantsMember" xlink:to="dmpi_TwoZeroOneThreeInvestorWarrantsMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantsMember_lbl" xml:lang="en-US"> Two Zero One Three Investor Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneFiveAgentWarrantsMember" xlink:label="dmpi_TwoZeroOneFiveAgentWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneFiveAgentWarrantsMember" xlink:to="dmpi_TwoZeroOneFiveAgentWarrantsMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneFiveAgentWarrantsMember_lbl" xml:lang="en-US"> Two Zero One Five Agent Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneThreeInvestorWarrantExercisesMember" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantExercisesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneThreeInvestorWarrantExercisesMember" xlink:to="dmpi_TwoZeroOneThreeInvestorWarrantExercisesMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantExercisesMember_lbl" xml:lang="en-US"> Two Zero One Three Investor Warrant Exercises [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneThreeInvestorWarrantAmendmentsMember" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantAmendmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneThreeInvestorWarrantAmendmentsMember" xlink:to="dmpi_TwoZeroOneThreeInvestorWarrantAmendmentsMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneThreeInvestorWarrantAmendmentsMember_lbl" xml:lang="en-US"> Two Zero One Three Investor Warrant Amendments [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ColumbiaMember" xlink:label="dmpi_ColumbiaMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ColumbiaMember" xlink:to="dmpi_ColumbiaMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ColumbiaMember_lbl" xml:lang="en-US"> British Columbia [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_InvestorThreeMember" xlink:label="dmpi_InvestorThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorThreeMember" xlink:to="dmpi_InvestorThreeMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_InvestorThreeMember_lbl" xml:lang="en-US"> Investor Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TwoZeroOneSevenPublicOfferingMember" xlink:label="dmpi_TwoZeroOneSevenPublicOfferingMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TwoZeroOneSevenPublicOfferingMember" xlink:to="dmpi_TwoZeroOneSevenPublicOfferingMember_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TwoZeroOneSevenPublicOfferingMember_lbl" xml:lang="en-US"> Two Zero One Seven Public Offering [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_DocumentAndEntityInformationAbstract" xlink:label="dmpi_DocumentAndEntityInformationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DocumentAndEntityInformationAbstract" xlink:to="dmpi_DocumentAndEntityInformationAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US"> Document and Entity Information [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US"> Amendment Flag </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US"> Document Type </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US"> Document Period End Date </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US"> Entity Small Business </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US"> Statement [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesAPreferredStockMember" xlink:to="us-gaap_SeriesAPreferredStockMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SeriesAPreferredStockMember_2_lbl" xml:lang="en-US"> Series A Preferred Stock </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesBPreferredStockMember" xlink:to="us-gaap_SeriesBPreferredStockMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SeriesBPreferredStockMember_2_lbl" xml:lang="en-US"> Series B Preferred Stock </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US"> Assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US"> Current assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="us-gaap_PrepaidExpenseCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseCurrent" xlink:to="us-gaap_PrepaidExpenseCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xml:lang="en-US"> Prepaid expenses and deposits </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TaxesAndOtherReceivablesCurrent" xlink:label="dmpi_TaxesAndOtherReceivablesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TaxesAndOtherReceivablesCurrent" xlink:to="dmpi_TaxesAndOtherReceivablesCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TaxesAndOtherReceivablesCurrent_lbl" xml:lang="en-US"> Interest, taxes and other receivables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCostsCurrentAndNoncurrent" xlink:label="us-gaap_DeferredCostsCurrentAndNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsCurrentAndNoncurrent" xlink:to="us-gaap_DeferredCostsCurrentAndNoncurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCostsCurrentAndNoncurrent_lbl" xml:lang="en-US"> Deferred financing costs </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US"> Current assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xml:lang="en-US"> Intangible assets - net </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> Total Assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xml:lang="en-US"> Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US"> Current liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="us-gaap_DueToRelatedPartiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToRelatedPartiesCurrent" xlink:to="us-gaap_DueToRelatedPartiesCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToRelatedPartiesCurrent_lbl" xml:lang="en-US"> Related party payables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="us-gaap_DerivativeLiabilitiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US"> Current portion of derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US"> Current liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US"> Total Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US"> Stockholders'’ equity </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred stock, value </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_VotingShare" xlink:label="dmpi_VotingShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_VotingShare" xlink:to="dmpi_VotingShare_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_VotingShare_lbl" xml:lang="en-US"> 1 special voting share </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common stock, value </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:label="us-gaap_WarrantsAndRightsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstanding" xlink:to="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xml:lang="en-US"> Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US"> Accumulated deficit </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated other comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US"> Stockholders' equity, total </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US"> Total Liabilities and equity </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Preferred stock, par value </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US"> Preferred stock, shares authorized </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US"> Preferred stock, shares issued </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US"> Preferred stock, shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PreferredStockSpecialVotingSharesIssued" xlink:label="dmpi_PreferredStockSpecialVotingSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PreferredStockSpecialVotingSharesIssued" xlink:to="dmpi_PreferredStockSpecialVotingSharesIssued_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_PreferredStockSpecialVotingSharesIssued_lbl" xml:lang="en-US"> Preferred stock special voting shares issued </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Common stock, par value </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US"> Common stock, shares authorized </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Common stock, shares issued </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US"> Income Statement [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US"> Expenses </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US"> Research and development </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpense" xlink:to="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> General and administrative </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US"> Operating expenses </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US"> Other loss (income) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US"> Change in fair value of derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xml:lang="en-US"> Foreign exchange loss </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xml:lang="en-US"> Interest income </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other loss (income) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> Net and comprehensive loss for the period </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:to="us-gaap_EarningsPerShareBasicAndDilutedAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedAbstract_lbl" xml:lang="en-US"> Computation of basic loss per share </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_NetIncomeLoss_2_lbl" xml:lang="en-US"> Net and comprehensive loss for the period </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendsAndOtherAdjustments" xlink:to="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xml:lang="en-US"> Series B Preferred stock dividend </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US"> Net and comprehensive loss available to common stockholders </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US"> Basic and fully diluted loss per share </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US"> Basic weighted average number of shares </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockMember_2_lbl" xml:lang="en-US"> Common stock </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdditionalPaidInCapitalMember_2_lbl" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_2_lbl" xml:lang="en-US"> Accumulated other comprehensive income </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="us-gaap_PreferredStockMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockMember_2_lbl" xml:lang="en-US"> Preferred stock </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantMember" xlink:to="us-gaap_WarrantMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WarrantMember_2_lbl" xml:lang="en-US"> Warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RetainedEarningsMember_2_lbl" xml:lang="en-US"> Accumulated deficit </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_2_lbl" xml:lang="en-US"> Balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesOutstanding_lbl" xml:lang="en-US"> Balance, Shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_lbl" xml:lang="en-US"> Issuance of shares and warrants - net of issue costs </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_lbl" xml:lang="en-US"> Issuance of shares and warrants - net of issue costs, shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts" xlink:to="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts_lbl" xml:lang="en-US"> Issuance of Series B Preferred Shares - net of issue costs </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares" xlink:to="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares_lbl" xml:lang="en-US"> Issuance of Series B Preferred Shares - net of issue costs, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xml:lang="en-US"> Shares issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xml:lang="en-US"> Shares issued for services, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentOfWarrantsGrantedForServices" xlink:label="us-gaap_AdjustmentOfWarrantsGrantedForServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentOfWarrantsGrantedForServices" xlink:to="us-gaap_AdjustmentOfWarrantsGrantedForServices_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentOfWarrantsGrantedForServices_lbl" xml:lang="en-US"> Warrants issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfStockOptionLiability" xlink:label="dmpi_ReclassificationOfStockOptionLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfStockOptionLiability" xlink:to="dmpi_ReclassificationOfStockOptionLiability_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfStockOptionLiability_lbl" xml:lang="en-US"> Reclassification of stock option liability </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash" xlink:label="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash" xlink:to="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash_lbl" xml:lang="en-US"> Warrants exercised for cash </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash" xlink:label="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash" xlink:to="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash_lbl" xml:lang="en-US"> Warrants exercised for cash, shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants" xlink:to="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants_lbl" xml:lang="en-US"> Cashless exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants" xlink:to="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants_lbl" xml:lang="en-US"> Cashless exercise of warrants, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xml:lang="en-US"> Amendment of warrants (note 4) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US"> Stock option expense </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ConversionOfSeriesBPreferredStockToCommonStock" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockToCommonStock" xlink:to="dmpi_ConversionOfSeriesBPreferredStockToCommonStock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStock_lbl" xml:lang="en-US"> Conversion of Series B preferred stock to common stock </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares" xlink:to="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares_lbl" xml:lang="en-US"> Conversion of Series B preferred stock to common stock, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockExpense" xlink:label="us-gaap_RestrictedStockExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockExpense" xlink:to="us-gaap_RestrictedStockExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockExpense_lbl" xml:lang="en-US"> Performance stock unit expense </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SeriesPreferredStockDividends" xlink:label="dmpi_SeriesPreferredStockDividends"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesPreferredStockDividends" xlink:to="dmpi_SeriesPreferredStockDividends_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SeriesPreferredStockDividends_lbl" xml:lang="en-US"> Series A preferred cash dividend (note 3) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SeriesBPreferredStockDividend" xlink:label="dmpi_SeriesBPreferredStockDividend"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesBPreferredStockDividend" xlink:to="dmpi_SeriesBPreferredStockDividend_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SeriesBPreferredStockDividend_lbl" xml:lang="en-US"> Series B preferred stock dividend </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SeriesBPreferredStockDividendShares" xlink:label="dmpi_SeriesBPreferredStockDividendShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesBPreferredStockDividendShares" xlink:to="dmpi_SeriesBPreferredStockDividendShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SeriesBPreferredStockDividendShares_lbl" xml:lang="en-US"> Series B preferred stock dividend, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US"> Loss for the year </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_3_lbl" xml:lang="en-US"> Balance </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesOutstanding_2_lbl" xml:lang="en-US"> Balance, Shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US"> Cash flows from operating activities </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_2_lbl" xml:lang="en-US"> Loss for the period </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US"> Items not affecting cash </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xml:lang="en-US"> Amortization of intangible assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US"> Change in fair value of derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfStockForServices" xlink:label="dmpi_IssuanceOfStockForServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfStockForServices" xlink:to="dmpi_IssuanceOfStockForServices_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfStockForServices_lbl" xml:lang="en-US"> Shares issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xml:lang="en-US"> Warrants issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US"> Stock option expense </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US"> Changes in non-cash working capital </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IncreaseDecreaseInTaxesAndOtherReceivables" xlink:label="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables" xlink:to="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_lbl" xml:lang="en-US"> Interest, taxes and other receivables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xml:lang="en-US"> Prepaid expenses and deposits </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:to="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xml:lang="en-US"> Related party payables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US"> Net cash flows from operating activities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US"> Cash flows from investing activities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease" xlink:label="us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease" xlink:to="us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Intangible assets - website development costs </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US"> Net cash flows from investing activities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US"> Cash flows from financing activities </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ProceedsFromIssuanceOfSharesAndWarrants" xlink:label="dmpi_ProceedsFromIssuanceOfSharesAndWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ProceedsFromIssuanceOfSharesAndWarrants" xlink:to="dmpi_ProceedsFromIssuanceOfSharesAndWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ProceedsFromIssuanceOfSharesAndWarrants_lbl" xml:lang="en-US"> Net proceeds from the issuance of shares and warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:label="us-gaap_ProceedsFromWarrantExercises"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromWarrantExercises" xlink:to="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xml:lang="en-US"> Net proceeds from the exercise and exchange of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:to="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xml:lang="en-US"> Series A preferred cash dividend </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="us-gaap_PaymentsOfFinancingCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfFinancingCosts" xlink:to="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xml:lang="en-US"> Deferred financing costs </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US"> Net cash flows from financing activities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US"> (Decrease) increase in cash and cash equivalents </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xml:lang="en-US"> Cash and cash equivalents - beginning of period </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_3_lbl" xml:lang="en-US"> Cash and cash equivalents - end of period </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US"> Going concern, nature of operations, and corporate history </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US"> Significant accounting policies </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ValentTechnologiesLlcAbstract" xlink:label="dmpi_ValentTechnologiesLlcAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesLlcAbstract" xlink:to="dmpi_ValentTechnologiesLlcAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ValentTechnologiesLlcAbstract_lbl" xml:lang="en-US"> Valent Technologies, LLC [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ValentTechnologiesLlcTextBlock" xlink:label="dmpi_ValentTechnologiesLlcTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesLlcTextBlock" xlink:to="dmpi_ValentTechnologiesLlcTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ValentTechnologiesLlcTextBlock_lbl" xml:lang="en-US"> Valent Technologies, LLC </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xml:lang="en-US"> Derivative Instruments and Hedging Activities Disclosure [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xml:lang="en-US"> Derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityAbstract" xlink:label="us-gaap_EquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityAbstract_lbl" xml:lang="en-US"> Equity [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xml:lang="en-US"> Stockholders' equity </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US"> Fair Value Disclosures [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinancialInstrumentsDisclosureTextBlock" xlink:label="us-gaap_FinancialInstrumentsDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentsDisclosureTextBlock" xlink:to="us-gaap_FinancialInstrumentsDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US"> Financial instruments </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="us-gaap_RelatedPartyTransactionsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsAbstract" xlink:to="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US"> Related Party Transactions [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US"> Related party transactions </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US"> Income Tax Disclosure [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US"> Current and deferred income taxes </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US"> Commitments and Contingencies Disclosure [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US"> Commitments and contingencies </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xml:lang="en-US"> Supplementary statement of cash flows information </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="us-gaap_RisksAndUncertaintiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RisksAndUncertaintiesAbstract" xlink:to="us-gaap_RisksAndUncertaintiesAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xml:lang="en-US"> Risks and Uncertainties [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xml:lang="en-US"> Financial risk management </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US"> Subsequent Events [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US"> Subsequent events </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US"> Basis of presentation </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_UnauditedInterimFinancialDataPolicyTextBlock" xlink:label="dmpi_UnauditedInterimFinancialDataPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_UnauditedInterimFinancialDataPolicyTextBlock" xlink:to="dmpi_UnauditedInterimFinancialDataPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_UnauditedInterimFinancialDataPolicyTextBlock_lbl" xml:lang="en-US"> Unaudited interim financial data </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US"> Use of estimates </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xml:lang="en-US"> Loss per share </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US"> Recent accounting pronouncements </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReverseStockSplitPolicyTextBlock" xlink:label="dmpi_ReverseStockSplitPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReverseStockSplitPolicyTextBlock" xlink:to="dmpi_ReverseStockSplitPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReverseStockSplitPolicyTextBlock_lbl" xml:lang="en-US"> Reverse Stock Split </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US"> Consolidation </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US"> Foreign currency translation </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US"> Current and deferred income taxes </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US"> Financial instruments </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US"> Intangible assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xml:lang="en-US"> Research and development costs (including clinical trial expenses and accruals) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SharesForServicesPolicyTextBlock" xlink:label="dmpi_SharesForServicesPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesForServicesPolicyTextBlock" xlink:to="dmpi_SharesForServicesPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SharesForServicesPolicyTextBlock_lbl" xml:lang="en-US"> Shares for services </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xml:lang="en-US"> Stock options </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PerformanceStockUnitsPolicyTextBlock" xlink:label="dmpi_PerformanceStockUnitsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PerformanceStockUnitsPolicyTextBlock" xlink:to="dmpi_PerformanceStockUnitsPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_PerformanceStockUnitsPolicyTextBlock_lbl" xml:lang="en-US"> Performance stock units </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:to="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xml:lang="en-US"> Comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:to="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xml:lang="en-US"> Segment information </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ScheduleOfDerivativeLiabilitiesUnderFairValueHierarchyTableTextBlock" xlink:label="dmpi_ScheduleOfDerivativeLiabilitiesUnderFairValueHierarchyTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ScheduleOfDerivativeLiabilitiesUnderFairValueHierarchyTableTextBlock" xlink:to="dmpi_ScheduleOfDerivativeLiabilitiesUnderFairValueHierarchyTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ScheduleOfDerivativeLiabilitiesUnderFairValueHierarchyTableTextBlock_lbl" xml:lang="en-US"> Schedule of derivative liabilities under the fair value hierarchy </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:to="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xml:lang="en-US"> Schedule of derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US"> Class of Stock [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Schedule of outstanding under the legacy plan </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock_lbl" xml:lang="en-US"> Summary of stock options currently outstanding and exercisable </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xml:lang="en-US"> Schedule of valuation assumptions using a Black-Scholes pricing model </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xml:lang="en-US"> Schedule of stock-based compensation expense </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_lbl" xml:lang="en-US"> Summary of unvested stock options </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:to="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl" xml:lang="en-US"> Schedule of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock" xlink:label="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock" xlink:to="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock_lbl" xml:lang="en-US"> Summary of changes in outstanding warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ScheduleOfOutstandingWarrantsTableTextBlock" xlink:label="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock" xlink:to="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock_lbl" xml:lang="en-US"> Summary of outstanding warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock" xlink:to="us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock_lbl" xml:lang="en-US"> Schedule of common stock issued and outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_lbl" xml:lang="en-US"> Schedule of derivative liabilities under the fair value hierarchy </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US"> Components of future tax assets and deferred tax liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xml:lang="en-US"> Schedule of difference between income tax rate and statutory income tax rate </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:label="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:to="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl" xml:lang="en-US"> Schedule of supplementary statement of cash flows information </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock" xlink:label="us-gaap_ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock" xlink:to="us-gaap_ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock_lbl" xml:lang="en-US"> Schedule of balances in foreign currencies </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xml:lang="en-US"> Schedule of fair value of off-balance sheet risks </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NatureOfOperationCorporateHistoryAndLiquidityRiskTextualAbstract" xlink:label="dmpi_NatureOfOperationCorporateHistoryAndLiquidityRiskTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NatureOfOperationCorporateHistoryAndLiquidityRiskTextualAbstract" xlink:to="dmpi_NatureOfOperationCorporateHistoryAndLiquidityRiskTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NatureOfOperationCorporateHistoryAndLiquidityRiskTextualAbstract_lbl" xml:lang="en-US"> Going Concern, Nature of Operations, and Corporate History (Textual) </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_3_lbl" xml:lang="en-US"> Net loss </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xml:lang="en-US"> Negative cash flow from operations </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_4_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_4_lbl" xml:lang="en-US"> Cash and cash equivalents on hand </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xml:lang="en-US"> Fair Value Measurements, Recurring and Nonrecurring [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="us-gaap_DerivativeLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilities" xlink:to="us-gaap_DerivativeLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeLiabilities_lbl" xml:lang="en-US"> Derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SignificantAccountingPoliciesTextualAbstract" xlink:label="dmpi_SignificantAccountingPoliciesTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SignificantAccountingPoliciesTextualAbstract" xlink:to="dmpi_SignificantAccountingPoliciesTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SignificantAccountingPoliciesTextualAbstract_lbl" xml:lang="en-US"> Significant Accounting Policies (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:label="us-gaap_StockholdersEquityReverseStockSplit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityReverseStockSplit" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xml:lang="en-US"> Reverse stock split, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplit" xlink:label="us-gaap_StockholdersEquityNoteStockSplit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteStockSplit" xlink:to="us-gaap_StockholdersEquityNoteStockSplit_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityNoteStockSplit_lbl" xml:lang="en-US"> Equity note stock split, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForSoftware" xlink:label="us-gaap_PaymentsForSoftware"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForSoftware" xlink:to="us-gaap_PaymentsForSoftware_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForSoftware_lbl" xml:lang="en-US"> Capitalized cost </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentForAmortization" xlink:to="us-gaap_AdjustmentForAmortization_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xml:lang="en-US"> Amortization expense </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US"> Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgreementTable" xlink:label="dmpi_AgreementTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementTable" xlink:to="dmpi_AgreementTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgreementTable_lbl" xml:lang="en-US"> Agreement [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgreementsLineItems" xlink:label="dmpi_AgreementsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementsLineItems" xlink:to="dmpi_AgreementsLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AgreementsLineItems_lbl" xml:lang="en-US"> Agreements [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ValentTechnologiesTextualAbstract" xlink:label="dmpi_ValentTechnologiesTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesTextualAbstract" xlink:to="dmpi_ValentTechnologiesTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ValentTechnologiesTextualAbstract_lbl" xml:lang="en-US"> Valent Technologies, LLC (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LoansPayableCurrent" xlink:label="us-gaap_LoansPayableCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansPayableCurrent" xlink:to="us-gaap_LoansPayableCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LoansPayableCurrent_lbl" xml:lang="en-US"> Loan payable outstanding amount </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US"> Aggregate accrued interest </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockSharesIssued_2_lbl" xml:lang="en-US"> Series A preferred stock, shares issued </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_2_lbl" xml:lang="en-US"> Series A preferred stock, par value </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US"> Series A preferred stock, rate of dividend </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:to="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_2_lbl" xml:lang="en-US"> Dividend payable </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsExercisedPrice" xlink:label="dmpi_WarrantsExercisedPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsExercisedPrice" xlink:to="dmpi_WarrantsExercisedPrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantsExercisedPrice_lbl" xml:lang="en-US"> Warrants exercised per share </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromWarrantExercises" xlink:to="us-gaap_ProceedsFromWarrantExercises_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromWarrantExercises_2_lbl" xml:lang="en-US"> Proceeds from warrants exercised </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US"> Warrants issued </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ScheduleOfDerivativeLiabilitiesRollForward" xlink:label="dmpi_ScheduleOfDerivativeLiabilitiesRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ScheduleOfDerivativeLiabilitiesRollForward" xlink:to="dmpi_ScheduleOfDerivativeLiabilitiesRollForward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ScheduleOfDerivativeLiabilitiesRollForward_lbl" xml:lang="en-US"> Summarized derivative liability </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_2_lbl" xml:lang="en-US"> Opening balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAdjustmentOfWarrants" xlink:to="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xml:lang="en-US"> Change in fair value of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants_lbl" xml:lang="en-US"> Reclassification to equity upon amendment of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationToEquityUponExerciseOfWarrants" xlink:label="dmpi_ReclassificationToEquityUponExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationToEquityUponExerciseOfWarrants" xlink:to="dmpi_ReclassificationToEquityUponExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationToEquityUponExerciseOfWarrants_lbl" xml:lang="en-US"> Reclassification to equity upon exercise of warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_3_lbl" xml:lang="en-US"> Closing balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US"> Less current portion </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US"> Long term portion </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClassOfWarrantAgent" xlink:label="dmpi_ClassOfWarrantAgent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantAgent" xlink:to="dmpi_ClassOfWarrantAgent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClassOfWarrantAgent_lbl" xml:lang="en-US"> Number of warrants, 2015 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantAgent" xlink:label="dmpi_WarrantAgent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantAgent" xlink:to="dmpi_WarrantAgent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantAgent_lbl" xml:lang="en-US"> 2015 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_InvestorWarrant" xlink:label="dmpi_InvestorWarrant"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorWarrant" xlink:to="dmpi_InvestorWarrant_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_InvestorWarrant_lbl" xml:lang="en-US"> Number of warrants, 2013 investor warrants, shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_InvestorWarrantsValues" xlink:label="dmpi_InvestorWarrantsValues"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorWarrantsValues" xlink:to="dmpi_InvestorWarrantsValues_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_InvestorWarrantsValues_lbl" xml:lang="en-US"> 2013 investor warrants, value </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantIssuedForService" xlink:label="dmpi_WarrantIssuedForService"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantIssuedForService" xlink:to="dmpi_WarrantIssuedForService_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantIssuedForService_lbl" xml:lang="en-US"> Number of warrants, Warrants issued for services, shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsIssuedForServicesValues" xlink:label="dmpi_WarrantsIssuedForServicesValues"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsIssuedForServicesValues" xlink:to="dmpi_WarrantsIssuedForServicesValues_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantsIssuedForServicesValues_lbl" xml:lang="en-US"> Warrants issued for services, value </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SharesIssuedOfWarrants" xlink:label="dmpi_SharesIssuedOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrants" xlink:to="dmpi_SharesIssuedOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SharesIssuedOfWarrants_lbl" xml:lang="en-US"> Number of warrants, Closing balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedOfWarrants" xlink:label="dmpi_StockIssuedOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrants" xlink:to="dmpi_StockIssuedOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedOfWarrants_lbl" xml:lang="en-US"> Closing balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SharesIssuedOfWarrantsCurrentPortion" xlink:label="dmpi_SharesIssuedOfWarrantsCurrentPortion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrantsCurrentPortion" xlink:to="dmpi_SharesIssuedOfWarrantsCurrentPortion_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SharesIssuedOfWarrantsCurrentPortion_lbl" xml:lang="en-US"> Number of warrants, Less current portion </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedOfWarrantsCurrentPortion" xlink:label="dmpi_StockIssuedOfWarrantsCurrentPortion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrantsCurrentPortion" xlink:to="dmpi_StockIssuedOfWarrantsCurrentPortion_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedOfWarrantsCurrentPortion_lbl" xml:lang="en-US"> Less current portion </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SharesIssuedOfWarrantsLongTermPortion" xlink:label="dmpi_SharesIssuedOfWarrantsLongTermPortion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrantsLongTermPortion" xlink:to="dmpi_SharesIssuedOfWarrantsLongTermPortion_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SharesIssuedOfWarrantsLongTermPortion_lbl" xml:lang="en-US"> Number of warrants, Long-term portion </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedOfWarrantsLongTermPortion" xlink:label="dmpi_StockIssuedOfWarrantsLongTermPortion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrantsLongTermPortion" xlink:to="dmpi_StockIssuedOfWarrantsLongTermPortion_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedOfWarrantsLongTermPortion_lbl" xml:lang="en-US"> Long-term portion </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeTable" xlink:to="us-gaap_DerivativeTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeTable_lbl" xml:lang="en-US"> Derivative [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="us-gaap_DerivativeLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLineItems" xlink:to="us-gaap_DerivativeLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US"> Derivative [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_DerivativeLiabilityTextualAbstract" xlink:label="dmpi_DerivativeLiabilityTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DerivativeLiabilityTextualAbstract" xlink:to="dmpi_DerivativeLiabilityTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_DerivativeLiabilityTextualAbstract_lbl" xml:lang="en-US"> Derivative Liability (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClassOfWarrantOrRightExercised" xlink:label="dmpi_ClassOfWarrantOrRightExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightExercised" xlink:to="dmpi_ClassOfWarrantOrRightExercised_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClassOfWarrantOrRightExercised_lbl" xml:lang="en-US"> Number of warrants exercised </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CashlessWarrantExercised" xlink:label="dmpi_CashlessWarrantExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CashlessWarrantExercised" xlink:to="dmpi_CashlessWarrantExercised_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CashlessWarrantExercised_lbl" xml:lang="en-US"> Cashless warrant exercised </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharePrice_lbl" xml:lang="en-US"> Purchase price </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_GrossProceedsFromExerciseOfWarrants" xlink:label="dmpi_GrossProceedsFromExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_GrossProceedsFromExerciseOfWarrants" xlink:to="dmpi_GrossProceedsFromExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_GrossProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US"> Gross proceeds from exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReverseAcquisitionDescription" xlink:label="dmpi_ReverseAcquisitionDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReverseAcquisitionDescription" xlink:to="dmpi_ReverseAcquisitionDescription_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReverseAcquisitionDescription_lbl" xml:lang="en-US"> Reverse acquisition, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xml:lang="en-US"> Exercised price </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeDescriptionOfTerms" xlink:label="us-gaap_DerivativeDescriptionOfTerms"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeDescriptionOfTerms" xlink:to="us-gaap_DerivativeDescriptionOfTerms_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeDescriptionOfTerms_lbl" xml:lang="en-US"> Derivative warrant conditions, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WarrantExercisePriceDecrease" xlink:label="us-gaap_WarrantExercisePriceDecrease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantExercisePriceDecrease" xlink:to="us-gaap_WarrantExercisePriceDecrease_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WarrantExercisePriceDecrease_lbl" xml:lang="en-US"> Warrants, exercise price reduced </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromWarrantExercises" xlink:to="us-gaap_ProceedsFromWarrantExercises_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromWarrantExercises_3_lbl" xml:lang="en-US"> Net proceeds from the exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClassOfWarrantOrRightIssued" xlink:label="dmpi_ClassOfWarrantOrRightIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightIssued" xlink:to="dmpi_ClassOfWarrantOrRightIssued_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClassOfWarrantOrRightIssued_lbl" xml:lang="en-US"> Number of warrants issued </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants_lbl" xml:lang="en-US"> Reclassification of derivative liability upon the exchange of investor warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentWarrantsExpirationDate" xlink:label="invest_InvestmentWarrantsExpirationDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_InvestmentWarrantsExpirationDate" xlink:to="invest_InvestmentWarrantsExpirationDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="invest_InvestmentWarrantsExpirationDate_lbl" xml:lang="en-US"> Warrants expiration date </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants" xlink:label="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants" xlink:to="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants_lbl" xml:lang="en-US"> Common stock shares issued on cashless exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:to="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_lbl" xml:lang="en-US"> Reclassification out of Accumulated Other Comprehensive Income [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:label="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:to="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_lbl" xml:lang="en-US"> Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SeriesPreferredCashDividend" xlink:label="dmpi_SeriesPreferredCashDividend"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesPreferredCashDividend" xlink:to="dmpi_SeriesPreferredCashDividend_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SeriesPreferredCashDividend_lbl" xml:lang="en-US"> Series A Preferred cash dividend </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_4_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_4_lbl" xml:lang="en-US"> Loss for the period </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_2_lbl" xml:lang="en-US"> Issuance of shares and warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_2_lbl" xml:lang="en-US"> Issuance of shares and warrants, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PerformanceStockUnitsMember" xlink:to="dmpi_PerformanceStockUnitsMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_PerformanceStockUnitsMember_2_lbl" xml:lang="en-US"> PSUs [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xml:lang="en-US"> Number of PSUs outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xml:lang="en-US"> Granted </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xml:lang="en-US"> Dividend rate </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xml:lang="en-US"> Volatility </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xml:lang="en-US"> Risk-free rate </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xml:lang="en-US"> Term - years </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeStockOptionMember_2_lbl" xml:lang="en-US"> Stock Option [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_2_lbl" xml:lang="en-US"> Number of stock options outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xml:lang="en-US"> Weighted average exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Granted </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_lbl" xml:lang="en-US"> Exercise price </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xml:lang="en-US"> Number Outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US"> Weighted average remaining contractual life (years) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US"> Number exercisable </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_2_lbl" xml:lang="en-US"> General and administrative [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_2_lbl" xml:lang="en-US"> Research and development [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US"> Stock-based compensation expense </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_lbl" xml:lang="en-US"> Number of Options </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xml:lang="en-US"> Vested </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_2_lbl" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward_lbl" xml:lang="en-US"> Weighted average exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Granted </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Vested </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_2_lbl" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_lbl" xml:lang="en-US"> Weighted average grant date fair value </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Granted </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Vested </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_2_lbl" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsAbstract" xlink:label="dmpi_NumberOfWarrantsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsAbstract" xlink:to="dmpi_NumberOfWarrantsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_NumberOfWarrantsAbstract_lbl" xml:lang="en-US"> Summary of changes in outstanding warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_2_lbl" xml:lang="en-US"> Balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExercisedForCash" xlink:label="dmpi_ExercisedForCash"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisedForCash" xlink:to="dmpi_ExercisedForCash_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExercisedForCash_lbl" xml:lang="en-US"> Exercised for cash </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CashlessExchange" xlink:label="dmpi_CashlessExchange"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CashlessExchange" xlink:to="dmpi_CashlessExchange_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CashlessExchange_lbl" xml:lang="en-US"> Cashless exchange </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantIssuedForServices" xlink:label="dmpi_WarrantIssuedForServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantIssuedForServices" xlink:to="dmpi_WarrantIssuedForServices_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantIssuedForServices_lbl" xml:lang="en-US"> Issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantForfeited" xlink:label="dmpi_WarrantForfeited"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantForfeited" xlink:to="dmpi_WarrantForfeited_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_WarrantForfeited_lbl" xml:lang="en-US"> Forfeited </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantExpired" xlink:label="dmpi_WarrantExpired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantExpired" xlink:to="dmpi_WarrantExpired_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantExpired_lbl" xml:lang="en-US"> Expired </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_3_lbl" xml:lang="en-US"> Balance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsRollForward" xlink:label="dmpi_NumberOfWarrantsRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsRollForward" xlink:to="dmpi_NumberOfWarrantsRollForward_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfWarrantsRollForward_lbl" xml:lang="en-US"> Number of Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xml:lang="en-US"> Beginning Balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfInvestorWarrantsShares" xlink:label="dmpi_IssuanceOfInvestorWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfInvestorWarrantsShares" xlink:to="dmpi_IssuanceOfInvestorWarrantsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfInvestorWarrantsShares_lbl" xml:lang="en-US"> Issuance of 2017 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfAgentWarrantsShares" xlink:label="dmpi_IssuanceOfAgentWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantsShares" xlink:to="dmpi_IssuanceOfAgentWarrantsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfAgentWarrantsShares_lbl" xml:lang="en-US"> Issuance of 2017 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseOfValentWarrantsShares" xlink:label="dmpi_ExerciseOfValentWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfValentWarrantsShares" xlink:to="dmpi_ExerciseOfValentWarrantsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExerciseOfValentWarrantsShares_lbl" xml:lang="en-US"> Exercise of Valent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseOfInvestorWarrantsShares" xlink:label="dmpi_ExerciseOfInvestorWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfInvestorWarrantsShares" xlink:to="dmpi_ExerciseOfInvestorWarrantsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExerciseOfInvestorWarrantsShares_lbl" xml:lang="en-US"> Exercise of 2015 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares_lbl" xml:lang="en-US"> Issuance of 2018 Investor and 2018 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne" xlink:to="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne_lbl" xml:lang="en-US"> Exercise of 2018 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AdjustmentOfWarrantsGrantedForServicesShares" xlink:label="dmpi_AdjustmentOfWarrantsGrantedForServicesShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AdjustmentOfWarrantsGrantedForServicesShares" xlink:to="dmpi_AdjustmentOfWarrantsGrantedForServicesShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_AdjustmentOfWarrantsGrantedForServicesShares_lbl" xml:lang="en-US"> Warrants issued for services </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_2_lbl" xml:lang="en-US"> Ending Balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ValueOfWarrantsAbstract" xlink:label="dmpi_ValueOfWarrantsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValueOfWarrantsAbstract" xlink:to="dmpi_ValueOfWarrantsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ValueOfWarrantsAbstract_lbl" xml:lang="en-US"> Value of Warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstanding" xlink:to="us-gaap_WarrantsAndRightsOutstanding_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_WarrantsAndRightsOutstanding_2_lbl" xml:lang="en-US"> Beginning Balance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfInvestorWarrantsCost" xlink:label="dmpi_IssuanceOfInvestorWarrantsCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfInvestorWarrantsCost" xlink:to="dmpi_IssuanceOfInvestorWarrantsCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfInvestorWarrantsCost_lbl" xml:lang="en-US"> Issuance of 2017 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfAgentWarrantsCost" xlink:label="dmpi_IssuanceOfAgentWarrantsCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantsCost" xlink:to="dmpi_IssuanceOfAgentWarrantsCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfAgentWarrantsCost_lbl" xml:lang="en-US"> Issuance of 2017 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseOfValentWarrantsCost" xlink:label="dmpi_ExerciseOfValentWarrantsCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfValentWarrantsCost" xlink:to="dmpi_ExerciseOfValentWarrantsCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ExerciseOfValentWarrantsCost_lbl" xml:lang="en-US"> Exercise of Valent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseOfInvestorWarrants" xlink:label="dmpi_ExerciseOfInvestorWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfInvestorWarrants" xlink:to="dmpi_ExerciseOfInvestorWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ExerciseOfInvestorWarrants_lbl" xml:lang="en-US"> Exercise of 2015 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost_lbl" xml:lang="en-US"> Issuance of 2018 Investor and 2018 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne" xlink:to="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne_lbl" xml:lang="en-US"> Exercise of 2018 Investor Warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstanding" xlink:to="us-gaap_WarrantsAndRightsOutstanding_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_WarrantsAndRightsOutstanding_3_lbl" xml:lang="en-US"> Ending Balance </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_4_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_4_lbl" xml:lang="en-US"> Number </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2_lbl" xml:lang="en-US"> Exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClassOfWarrantOrRightExpiryDate" xlink:label="dmpi_ClassOfWarrantOrRightExpiryDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightExpiryDate" xlink:to="dmpi_ClassOfWarrantOrRightExpiryDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClassOfWarrantOrRightExpiryDate_lbl" xml:lang="en-US"> Expiry date </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:to="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xml:lang="en-US"> Expiry date </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsIssuedToInvestor" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestor"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestor" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestor_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestor_lbl" xml:lang="en-US"> Issuance of 2018 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseOfWarrantsIssuedToInvestorShares" xlink:label="dmpi_ExerciseOfWarrantsIssuedToInvestorShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfWarrantsIssuedToInvestorShares" xlink:to="dmpi_ExerciseOfWarrantsIssuedToInvestorShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ExerciseOfWarrantsIssuedToInvestorShares_lbl" xml:lang="en-US"> Exercise of 2018 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfWarrantsIssuedToAgent" xlink:label="dmpi_NumberOfWarrantsIssuedToAgent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToAgent" xlink:to="dmpi_NumberOfWarrantsIssuedToAgent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfWarrantsIssuedToAgent_lbl" xml:lang="en-US"> Issuance of 2018 Agent Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsIssuedForServicesShare" xlink:label="dmpi_WarrantsIssuedForServicesShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsIssuedForServicesShare" xlink:to="dmpi_WarrantsIssuedForServicesShare_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_WarrantsIssuedForServicesShare_lbl" xml:lang="en-US"> Warrants issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExpiryOfDividendWarrants" xlink:label="dmpi_ExpiryOfDividendWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExpiryOfDividendWarrants" xlink:to="dmpi_ExpiryOfDividendWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ExpiryOfDividendWarrants_lbl" xml:lang="en-US"> Expiry of dividend warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfInvestorWarrantsExpired" xlink:label="dmpi_NumberOfInvestorWarrantsExpired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfInvestorWarrantsExpired" xlink:to="dmpi_NumberOfInvestorWarrantsExpired_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfInvestorWarrantsExpired_lbl" xml:lang="en-US"> Expiry of 2013 Investor Warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US"> Schedule of Defined Benefit Plans Disclosures [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xml:lang="en-US"> Defined Benefit Plan Disclosure [Line Items] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueInputsLevel1Member_2_lbl" xml:lang="en-US"> Level 1 [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueInputsLevel2Member_2_lbl" xml:lang="en-US"> Level 2 [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueInputsLevel3Member_2_lbl" xml:lang="en-US"> Level 3 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueConcentrationOfRiskFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:label="us-gaap_FairValueConcentrationOfRiskFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueConcentrationOfRiskFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:to="us-gaap_FairValueConcentrationOfRiskFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueConcentrationOfRiskFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" xml:lang="en-US"> Liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueConcentrationOfRiskDerivativeFinancialInstrumentsLiabilities" xlink:label="us-gaap_FairValueConcentrationOfRiskDerivativeFinancialInstrumentsLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueConcentrationOfRiskDerivativeFinancialInstrumentsLiabilities" xlink:to="us-gaap_FairValueConcentrationOfRiskDerivativeFinancialInstrumentsLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueConcentrationOfRiskDerivativeFinancialInstrumentsLiabilities_lbl" xml:lang="en-US"> Derivative liability </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xml:lang="en-US"> Schedule of Related Party Transactions, by Related Party [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US"> Related Party Transaction [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_RelatedPartyTransactionsTextualsAbstract" xlink:label="dmpi_RelatedPartyTransactionsTextualsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_RelatedPartyTransactionsTextualsAbstract" xlink:to="dmpi_RelatedPartyTransactionsTextualsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_RelatedPartyTransactionsTextualsAbstract_lbl" xml:lang="en-US"> Related Party Transactions (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OfficersCompensation" xlink:label="us-gaap_OfficersCompensation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficersCompensation" xlink:to="us-gaap_OfficersCompensation_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OfficersCompensation_lbl" xml:lang="en-US"> Total expense </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xml:lang="en-US"> Components of future tax assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsNetAbstract" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xml:lang="en-US"> Deferred tax assets: </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xml:lang="en-US"> Non-capital losses carried forward </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xml:lang="en-US"> Capital losses carried forward </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_DeferredTaxAssetsFinancingCost" xlink:label="dmpi_DeferredTaxAssetsFinancingCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredTaxAssetsFinancingCost" xlink:to="dmpi_DeferredTaxAssetsFinancingCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_DeferredTaxAssetsFinancingCost_lbl" xml:lang="en-US"> Financing costs </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:to="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xml:lang="en-US"> Scientific research and development </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_lbl" xml:lang="en-US"> Scientific research and development - ITC </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xml:lang="en-US"> Deferred tax assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesClassificationAbstract" xlink:label="us-gaap_DeferredTaxLiabilitiesClassificationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesClassificationAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesClassificationAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesClassificationAbstract_lbl" xml:lang="en-US"> Deferred tax liabilities: </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment" xlink:label="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment" xlink:to="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment_lbl" xml:lang="en-US"> Scientific research and development - ITC </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xml:lang="en-US"> Gross future tax assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US"> Valuation allowance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xml:lang="en-US"> Net future tax assets </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xml:lang="en-US"> Effective income tax rate differs from the statutory income tax rate </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US"> Tax recovery at statutory income tax rates </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IncomeTaxReconciliationPermanentDifferences" xlink:label="dmpi_IncomeTaxReconciliationPermanentDifferences"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IncomeTaxReconciliationPermanentDifferences" xlink:to="dmpi_IncomeTaxReconciliationPermanentDifferences_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IncomeTaxReconciliationPermanentDifferences_lbl" xml:lang="en-US"> Permanent differences </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:to="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xml:lang="en-US"> Effect of rate differentials between jurisdictions </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:to="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xml:lang="en-US"> Impact of changes in income tax rates </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment" xlink:to="us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment_lbl" xml:lang="en-US"> Scientific research and development - ITC </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:to="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xml:lang="en-US"> Other </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US"> Change in valuation allowance </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US"> Income tax expense benefit </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxCreditCarryforwardTable" xlink:label="us-gaap_TaxCreditCarryforwardTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardTable" xlink:to="us-gaap_TaxCreditCarryforwardTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardTable_lbl" xml:lang="en-US"> Tax Credit Carryforward [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxCreditCarryforwardLineItems" xlink:label="us-gaap_TaxCreditCarryforwardLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardLineItems" xlink:to="us-gaap_TaxCreditCarryforwardLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardLineItems_lbl" xml:lang="en-US"> Tax Credit Carryforward [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract" xlink:label="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract" xlink:to="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract_lbl" xml:lang="en-US"> Current and Future Income Taxes (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentTaxCredit" xlink:label="us-gaap_InvestmentTaxCredit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTaxCredit" xlink:to="us-gaap_InvestmentTaxCredit_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTaxCredit_lbl" xml:lang="en-US"> Non-refundable federal investment tax credits </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxCreditCarryforwardDescription" xlink:label="us-gaap_TaxCreditCarryforwardDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardDescription" xlink:to="us-gaap_TaxCreditCarryforwardDescription_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardDescription_lbl" xml:lang="en-US"> Investment tax credits expire, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US"> Statutory income tax rate </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US"> Operating loss carryforwards </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLossCarryforwardsLimitationsOnUse" xlink:label="us-gaap_OperatingLossCarryforwardsLimitationsOnUse"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsLimitationsOnUse" xlink:to="us-gaap_OperatingLossCarryforwardsLimitationsOnUse_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsLimitationsOnUse_lbl" xml:lang="en-US"> Net operating loss expire, description </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_RevaluedDeferredTaxAssets" xlink:label="dmpi_RevaluedDeferredTaxAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_RevaluedDeferredTaxAssets" xlink:to="dmpi_RevaluedDeferredTaxAssets_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_RevaluedDeferredTaxAssets_lbl" xml:lang="en-US"> Revalued deferred tax assets </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_USFederalCorporateTaxRate" xlink:label="dmpi_USFederalCorporateTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_USFederalCorporateTaxRate" xlink:to="dmpi_USFederalCorporateTaxRate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_USFederalCorporateTaxRate_lbl" xml:lang="en-US"> U.S. federal corporate tax rate </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CommitmentsAndContingenciesTextualAbstract" xlink:label="dmpi_CommitmentsAndContingenciesTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CommitmentsAndContingenciesTextualAbstract" xlink:to="dmpi_CommitmentsAndContingenciesTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CommitmentsAndContingenciesTextualAbstract_lbl" xml:lang="en-US"> Commitments and Contingencies (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PeriodicLeaseRentPayment" xlink:label="dmpi_PeriodicLeaseRentPayment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PeriodicLeaseRentPayment" xlink:to="dmpi_PeriodicLeaseRentPayment_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_PeriodicLeaseRentPayment_lbl" xml:lang="en-US"> Lease rent for office space </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US"> Rent expense </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_TermOfOfficeRent" xlink:label="dmpi_TermOfOfficeRent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TermOfOfficeRent" xlink:to="dmpi_TermOfOfficeRent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_TermOfOfficeRent_lbl" xml:lang="en-US"> Lease term </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ManufacturingAndClinicalStudyManagementRelatedCost" xlink:label="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost" xlink:to="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost_lbl" xml:lang="en-US"> Manufacturing and clinical study management related cost </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClinicalDevelopmentNetOfDepositsPaid" xlink:label="dmpi_ClinicalDevelopmentNetOfDepositsPaid"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClinicalDevelopmentNetOfDepositsPaid" xlink:to="dmpi_ClinicalDevelopmentNetOfDepositsPaid_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClinicalDevelopmentNetOfDepositsPaid_lbl" xml:lang="en-US"> Net of deposits paid </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ClinicalDevelopmentResearchDeposits" xlink:label="dmpi_ClinicalDevelopmentResearchDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClinicalDevelopmentResearchDeposits" xlink:to="dmpi_ClinicalDevelopmentResearchDeposits_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ClinicalDevelopmentResearchDeposits_lbl" xml:lang="en-US"> Deposits related to study initiation </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockholdersEquityNoteTable" xlink:label="dmpi_StockholdersEquityNoteTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockholdersEquityNoteTable" xlink:to="dmpi_StockholdersEquityNoteTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockholdersEquityNoteTable_lbl" xml:lang="en-US"> Stockholders Equity Note [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockholdersEquityNoteLineItems" xlink:label="dmpi_StockholdersEquityNoteLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockholdersEquityNoteLineItems" xlink:to="dmpi_StockholdersEquityNoteLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockholdersEquityNoteLineItems_lbl" xml:lang="en-US"> Stockholders Equity Note [Line Items] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesIssued_2_lbl" xml:lang="en-US"> Common stock, shares issued (in shares) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US"> Common stock, shares outstanding </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_2_lbl" xml:lang="en-US"> Preferred stock, rate of dividend </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockConversionBasis" xlink:label="us-gaap_PreferredStockConversionBasis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockConversionBasis" xlink:to="us-gaap_PreferredStockConversionBasis_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockConversionBasis_lbl" xml:lang="en-US"> Description of preferred stock </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased" xlink:label="us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased" xlink:to="us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_lbl" xml:lang="en-US"> Purchase price of shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:to="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xml:lang="en-US"> Convertible preferred stock </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xml:lang="en-US"> Conversion price </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue" xlink:to="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue_lbl" xml:lang="en-US"> Series B preferred stock dividend </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares" xlink:to="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares_lbl" xml:lang="en-US"> Series B preferred stock dividend, shares </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfWarrants" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xml:lang="en-US"> Proceeds share purchase warrants </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US"> Issue of shares </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_BidPrice" xlink:label="dmpi_BidPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_BidPrice" xlink:to="dmpi_BidPrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_BidPrice_lbl" xml:lang="en-US"> Bid price </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_FinalClosingDate" xlink:label="dmpi_FinalClosingDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FinalClosingDate" xlink:to="dmpi_FinalClosingDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_FinalClosingDate_lbl" xml:lang="en-US"> Final closing date </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SaleOfStockDescriptionOfTransaction" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockDescriptionOfTransaction" xlink:to="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xml:lang="en-US"> Sale of stock, description </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfWarrants" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_2_lbl" xml:lang="en-US"> Gross proceeds of cash </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfInvestorWarrantsShares" xlink:to="dmpi_IssuanceOfInvestorWarrantsShares_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfInvestorWarrantsShares_2_lbl" xml:lang="en-US"> Additional warrants purchase </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="us-gaap_PaymentsOfDerivativeIssuanceCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:to="us-gaap_PaymentsOfDerivativeIssuanceCosts_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDerivativeIssuanceCosts_lbl" xml:lang="en-US"> Issuance of cash </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ProceedsFromIssuanceOfWarrantsNet" xlink:label="dmpi_ProceedsFromIssuanceOfWarrantsNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ProceedsFromIssuanceOfWarrantsNet" xlink:to="dmpi_ProceedsFromIssuanceOfWarrantsNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ProceedsFromIssuanceOfWarrantsNet_lbl" xml:lang="en-US"> Net proceeds of cash </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantsShares" xlink:to="dmpi_IssuanceOfAgentWarrantsShares_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_IssuanceOfAgentWarrantsShares_2_lbl" xml:lang="en-US"> Issuance of agent warrants </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsExerciseTerm" xlink:label="dmpi_WarrantsExerciseTerm"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsExerciseTerm" xlink:to="dmpi_WarrantsExerciseTerm_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantsExerciseTerm_lbl" xml:lang="en-US"> Warrant term </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfAgentWarrantCost" xlink:label="dmpi_IssuanceOfAgentWarrantCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantCost" xlink:to="dmpi_IssuanceOfAgentWarrantCost_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfAgentWarrantCost_lbl" xml:lang="en-US"> Issuance of agent warrant cost </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesIssued_3_lbl" xml:lang="en-US"> Common shares issued </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_2_lbl" xml:lang="en-US"> Common shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_FullyDilutedSharesOfCommonStockPercentage" xlink:label="dmpi_FullyDilutedSharesOfCommonStockPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FullyDilutedSharesOfCommonStockPercentage" xlink:to="dmpi_FullyDilutedSharesOfCommonStockPercentage_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_FullyDilutedSharesOfCommonStockPercentage_lbl" xml:lang="en-US"> Percentage of fully diluted shares of common stock </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_LegacyPlanDescription" xlink:label="dmpi_LegacyPlanDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LegacyPlanDescription" xlink:to="dmpi_LegacyPlanDescription_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_LegacyPlanDescription_lbl" xml:lang="en-US"> Legacy plan, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="us-gaap_StockOptionPlanExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionPlanExpense" xlink:to="us-gaap_StockOptionPlanExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionPlanExpense_lbl" xml:lang="en-US"> Fully diluted market capitalization amount </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xml:lang="en-US"> Recognized expense related to the PSUs </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US"> Unrecognized compensation expense </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_UnrecognizedCompensationExpenseTerm" xlink:label="dmpi_UnrecognizedCompensationExpenseTerm"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_UnrecognizedCompensationExpenseTerm" xlink:to="dmpi_UnrecognizedCompensationExpenseTerm_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_UnrecognizedCompensationExpenseTerm_lbl" xml:lang="en-US"> Unrecognized compensation expense, term </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_4_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_4_lbl" xml:lang="en-US"> Number of shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US"> Aggregate intrinsic value of stock options outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xml:lang="en-US"> Aggregate intrinsic value of stock options exercisable </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Weighted average contractual term </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue_lbl" xml:lang="en-US"> Aggregate intrinsic value of unvested stock options </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AmendmentSharesOfStockOptionLiabilities" xlink:label="dmpi_AmendmentSharesOfStockOptionLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AmendmentSharesOfStockOptionLiabilities" xlink:to="dmpi_AmendmentSharesOfStockOptionLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_AmendmentSharesOfStockOptionLiabilities_lbl" xml:lang="en-US"> Amendment shares of stock option exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueOther" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueOther" xlink:to="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xml:lang="en-US"> Reclassified to equity value </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockOptionLiabilityExpense" xlink:label="dmpi_StockOptionLiabilityExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionLiabilityExpense" xlink:to="dmpi_StockOptionLiabilityExpense_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockOptionLiabilityExpense_lbl" xml:lang="en-US"> Stock option liability expense </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockOptionModificationDescription" xlink:label="dmpi_StockOptionModificationDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionModificationDescription" xlink:to="dmpi_StockOptionModificationDescription_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockOptionModificationDescription_lbl" xml:lang="en-US"> Stock option modification, description </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsDescription" xlink:label="dmpi_WarrantsDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsDescription" xlink:to="dmpi_WarrantsDescription_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantsDescription_lbl" xml:lang="en-US"> Warrant, description </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NumberOfStockOptionsOutstanding" xlink:label="dmpi_NumberOfStockOptionsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfStockOptionsOutstanding" xlink:to="dmpi_NumberOfStockOptionsOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NumberOfStockOptionsOutstanding_lbl" xml:lang="en-US"> Number of stock options outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockOptionsGrantedExercisePrice" xlink:label="dmpi_StockOptionsGrantedExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionsGrantedExercisePrice" xlink:to="dmpi_StockOptionsGrantedExercisePrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_StockOptionsGrantedExercisePrice_lbl" xml:lang="en-US"> Stock options granted exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPreferredStockStock" xlink:label="us-gaap_DividendsPreferredStockStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPreferredStockStock" xlink:to="us-gaap_DividendsPreferredStockStock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPreferredStockStock_lbl" xml:lang="en-US"> Series B Preferred share common stock dividend (note 5) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock" xlink:label="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock" xlink:to="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_lbl" xml:lang="en-US"> Series B Preferred shares converted to common stock (note 5) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:label="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:to="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US"> Share issuance costs accrued through accounts payable and accrued liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:label="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:to="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US"> Deferred financing costs accrued through accounts payable and accrued liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_NonCashIssueCosts" xlink:label="dmpi_NonCashIssueCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NonCashIssueCosts" xlink:to="dmpi_NonCashIssueCosts_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_NonCashIssueCosts_lbl" xml:lang="en-US"> Non-cash issue costs (note 5) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants_lbl" xml:lang="en-US"> Reclassification of derivative liability to equity upon the exercise of warrants (note 4) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants_lbl" xml:lang="en-US"> Reclassification of derivative liability to equity upon the amendment of warrants (note 4) </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement" xlink:label="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement" xlink:to="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement_lbl" xml:lang="en-US"> Reclassification of stock option liability to equity upon settlement (note 5) </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock" xlink:to="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_2_lbl" xml:lang="en-US"> Conversion of Series B Preferred Stock to common stock (note 5) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US"> Income taxes paid </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US"> Interest paid </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyFairValueHedgeDerivativeTable" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyFairValueHedgeDerivativeTable" xlink:to="us-gaap_ForeignCurrencyFairValueHedgeDerivativeTable_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeTable_lbl" xml:lang="en-US"> Foreign Currency Fair Value Hedge Derivative [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyFairValueHedgeDerivativeLineItems" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyFairValueHedgeDerivativeLineItems" xlink:to="us-gaap_ForeignCurrencyFairValueHedgeDerivativeLineItems_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeLineItems_lbl" xml:lang="en-US"> Foreign Currency Fair Value Hedge Derivative [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyAbstract" xlink:label="us-gaap_ForeignCurrencyAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyAbstract" xlink:to="us-gaap_ForeignCurrencyAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyAbstract_lbl" xml:lang="en-US"> Foreign exchange risk on currencies </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableTradeCurrentAndNoncurrent" xlink:label="us-gaap_AccountsPayableTradeCurrentAndNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableTradeCurrentAndNoncurrent" xlink:to="us-gaap_AccountsPayableTradeCurrentAndNoncurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableTradeCurrentAndNoncurrent_lbl" xml:lang="en-US"> Trade payables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Cash" xlink:to="us-gaap_Cash_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Cash_lbl" xml:lang="en-US"> Cash </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestReceivableAndOtherAssets" xlink:label="us-gaap_InterestReceivableAndOtherAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivableAndOtherAssets" xlink:to="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xml:lang="en-US"> Interest, taxes, and other receivables </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="us-gaap_CashFDICInsuredAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFDICInsuredAmount" xlink:to="us-gaap_CashFDICInsuredAmount_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xml:lang="en-US"> Insured amount </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashUninsuredAmount" xlink:label="us-gaap_CashUninsuredAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashUninsuredAmount" xlink:to="us-gaap_CashUninsuredAmount_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashUninsuredAmount_lbl" xml:lang="en-US"> Non-insured amount </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_FinancialRiskManagementTextualAbstract" xlink:label="dmpi_FinancialRiskManagementTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FinancialRiskManagementTextualAbstract" xlink:to="dmpi_FinancialRiskManagementTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_FinancialRiskManagementTextualAbstract_lbl" xml:lang="en-US"> Financial Risk Management (Textual) </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US"> Financial risk, accounts payable and accrued liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DescriptionOfForeignCurrencyExposure" xlink:label="us-gaap_DescriptionOfForeignCurrencyExposure"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DescriptionOfForeignCurrencyExposure" xlink:to="us-gaap_DescriptionOfForeignCurrencyExposure_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DescriptionOfForeignCurrencyExposure_lbl" xml:lang="en-US"> Maximum exposure of financial currency due to exchange rates, description </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DescriptionOfInterestRateRiskExposure" xlink:label="us-gaap_DescriptionOfInterestRateRiskExposure"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DescriptionOfInterestRateRiskExposure" xlink:to="us-gaap_DescriptionOfInterestRateRiskExposure_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DescriptionOfInterestRateRiskExposure_lbl" xml:lang="en-US"> Maximum exposure of interest rate risk, description </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_LiquidityRiskMaximumExposure" xlink:label="dmpi_LiquidityRiskMaximumExposure"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LiquidityRiskMaximumExposure" xlink:to="dmpi_LiquidityRiskMaximumExposure_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_LiquidityRiskMaximumExposure_lbl" xml:lang="en-US"> Liquidity risk maximum exposure </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestments" xlink:to="us-gaap_ShortTermInvestments_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermInvestments_lbl" xml:lang="en-US"> Short-term Investments </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure" xlink:label="us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure" xlink:to="us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure_lbl" xml:lang="en-US"> Credit risk, financial instrument maximum exposure </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_SubsequentEventsTextualAbstract" xlink:label="dmpi_SubsequentEventsTextualAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SubsequentEventsTextualAbstract" xlink:to="dmpi_SubsequentEventsTextualAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_SubsequentEventsTextualAbstract_lbl" xml:lang="en-US"> Subsequent Events (Textual) </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityReverseStockSplit" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_2_lbl" xml:lang="en-US"> Description of reverse stock split </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:to="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xml:lang="en-US"> Rights offering for a maximum gross proceeds </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_WarrantsPrice" xlink:label="dmpi_WarrantsPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsPrice" xlink:to="dmpi_WarrantsPrice_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_WarrantsPrice_lbl" xml:lang="en-US"> Warrants price </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_3_lbl" xml:lang="en-US"> Warrants price per unit </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_CancellationOfPerformanceStockUnitsOutstanding" xlink:label="dmpi_CancellationOfPerformanceStockUnitsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CancellationOfPerformanceStockUnitsOutstanding" xlink:to="dmpi_CancellationOfPerformanceStockUnitsOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_CancellationOfPerformanceStockUnitsOutstanding_lbl" xml:lang="en-US"> Cancellation of PSU’s outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xml:lang="en-US"> Shares of common stock available for issuance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReducedSharesOfCommonStockAvailableForIssuance" xlink:label="dmpi_ReducedSharesOfCommonStockAvailableForIssuance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReducedSharesOfCommonStockAvailableForIssuance" xlink:to="dmpi_ReducedSharesOfCommonStockAvailableForIssuance_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReducedSharesOfCommonStockAvailableForIssuance_lbl" xml:lang="en-US"> Reduced shares of common stock available for issuance </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ReserveWillBeIncreasedBackShares" xlink:label="dmpi_ReserveWillBeIncreasedBackShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReserveWillBeIncreasedBackShares" xlink:to="dmpi_ReserveWillBeIncreasedBackShares_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_ReserveWillBeIncreasedBackShares_lbl" xml:lang="en-US"> Reserve will be increased back shares </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_2_lbl" xml:lang="en-US"> Shares issued for services </link:label>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="us-gaap_ConversionOfStockSharesConverted1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockSharesConverted1" xlink:to="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Conversion of common stock </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_2_lbl" xml:lang="en-US"> Common stock new for services </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentMember" xlink:to="dmpi_AgentMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgentMember_doc" xml:lang="en-US"> Agent member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentOneMember" xlink:to="dmpi_AgentOneMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgentOneMember_doc" xml:lang="en-US"> Agent one member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgentTwoMember" xlink:to="dmpi_AgentTwoMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgentTwoMember_doc" xml:lang="en-US"> Agent two member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementsAxis" xlink:to="dmpi_AgreementsAxis_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgreementsAxis_doc" xml:lang="en-US"> Represents the entire information about agreements. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_AgreementsDomain" xlink:label="dmpi_AgreementsDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementsDomain" xlink:to="dmpi_AgreementsDomain_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgreementsDomain_doc" xml:lang="en-US"> Represents the entire information about agreements. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementsLineItems" xlink:to="dmpi_AgreementsLineItems_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgreementsLineItems_doc" xml:lang="en-US"> Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AgreementTable" xlink:to="dmpi_AgreementTable_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AgreementTable_doc" xml:lang="en-US"> Represents the information about agreements. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AmendmentSharesOfStockOptionLiabilities" xlink:to="dmpi_AmendmentSharesOfStockOptionLiabilities_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AmendmentSharesOfStockOptionLiabilities_doc" xml:lang="en-US"> Amendment shares of stock option liability. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_BidPrice" xlink:to="dmpi_BidPrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_BidPrice_doc" xml:lang="en-US"> Bid price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantAgent" xlink:to="dmpi_ClassOfWarrantAgent_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClassOfWarrantAgent_doc" xml:lang="en-US"> Number of warrants agent. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightExpiryDate" xlink:to="dmpi_ClassOfWarrantOrRightExpiryDate_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClassOfWarrantOrRightExpiryDate_doc" xml:lang="en-US"> Description of class of warrant or right expiry date. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares" xlink:to="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStockShares_doc" xml:lang="en-US"> Number of shares issued for conversion of Series B preferred stock to common stock. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExchangeAgreementMember" xlink:to="dmpi_ExchangeAgreementMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExchangeAgreementMember_doc" xml:lang="en-US"> Represents information about exchange agreement. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceEightMember" xlink:to="dmpi_ExercisePriceEightMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceEightMember_doc" xml:lang="en-US"> Exercise price eight. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceElevenMember" xlink:to="dmpi_ExercisePriceElevenMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceElevenMember_doc" xml:lang="en-US"> Exercise price eleven. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFiveMember" xlink:to="dmpi_ExercisePriceFiveMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceFiveMember_doc" xml:lang="en-US"> Exercise price five. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFourMember" xlink:to="dmpi_ExercisePriceFourMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceFourMember_doc" xml:lang="en-US"> Exercise price four. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceFourteenMember" xlink:to="dmpi_ExercisePriceFourteenMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceFourteenMember_doc" xml:lang="en-US"> Exercise price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceMember" xlink:to="dmpi_ExercisePriceMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceMember_doc" xml:lang="en-US"> Exercise price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceNineMember" xlink:to="dmpi_ExercisePriceNineMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceNineMember_doc" xml:lang="en-US"> Exercise price nine. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceOneMember" xlink:to="dmpi_ExercisePriceOneMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceOneMember_doc" xml:lang="en-US"> Exercise price one. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSevenMember" xlink:to="dmpi_ExercisePriceSevenMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceSevenMember_doc" xml:lang="en-US"> Exercise price seven. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceSixMember" xlink:to="dmpi_ExercisePriceSixMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceSixMember_doc" xml:lang="en-US"> Exercise price six. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTenMember" xlink:to="dmpi_ExercisePriceTenMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceTenMember_doc" xml:lang="en-US"> Exercise price ten. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceThirteenMember" xlink:to="dmpi_ExercisePriceThirteenMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceThirteenMember_doc" xml:lang="en-US"> Exercise price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceThreeMember" xlink:to="dmpi_ExercisePriceThreeMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceThreeMember_doc" xml:lang="en-US"> Exercise price three. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTwelveMember" xlink:to="dmpi_ExercisePriceTwelveMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceTwelveMember_doc" xml:lang="en-US"> Exercise price twelve. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisePriceTwoMember" xlink:to="dmpi_ExercisePriceTwoMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisePriceTwoMember_doc" xml:lang="en-US"> Exercise price two. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FinalClosingDate" xlink:to="dmpi_FinalClosingDate_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_FinalClosingDate_doc" xml:lang="en-US"> Closing date. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_FullyDilutedSharesOfCommonStockPercentage" xlink:to="dmpi_FullyDilutedSharesOfCommonStockPercentage_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_FullyDilutedSharesOfCommonStockPercentage_doc" xml:lang="en-US"> Pecentage of fully diluted shares of common stock. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables" xlink:to="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_doc" xml:lang="en-US"> This element represents Taxes, excluding payroll, income and excise taxes, if not included elsewhere, that could include production, real and personal property, and other selling and distribution-related taxes and Carrying amounts due as of the balance sheet date from parties or arising from transactions not otherwise specified in the taxonomy. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorOneMember" xlink:to="dmpi_InvestorOneMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_InvestorOneMember_doc" xml:lang="en-US"> Investor one member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorThreeMember" xlink:to="dmpi_InvestorThreeMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_InvestorThreeMember_doc" xml:lang="en-US"> Investor three member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorTwoMember" xlink:to="dmpi_InvestorTwoMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_InvestorTwoMember_doc" xml:lang="en-US"> Investor two member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantCost" xlink:to="dmpi_IssuanceOfAgentWarrantCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfAgentWarrantCost_doc" xml:lang="en-US"> Issuance of agent warrants cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantsShares" xlink:to="dmpi_IssuanceOfAgentWarrantsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfAgentWarrantsShares_doc" xml:lang="en-US"> Issuance of agent warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfInvestorWarrantsShares" xlink:to="dmpi_IssuanceOfInvestorWarrantsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfInvestorWarrantsShares_doc" xml:lang="en-US"> Issuance of investor warrants shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCostShare_doc" xml:lang="en-US"> Shares issuance of warrants during the period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfStockForServices" xlink:to="dmpi_IssuanceOfStockForServices_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfStockForServices_doc" xml:lang="en-US"> Fair value of share-based compensation granted to nonemployees as payment for services rendered. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesMember" xlink:to="dmpi_IssuedForServicesMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuedForServicesMember_doc" xml:lang="en-US"> Issued for services member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesOneMember" xlink:to="dmpi_IssuedForServicesOneMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuedForServicesOneMember_doc" xml:lang="en-US"> Issued for services one member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuedForServicesTwoMember" xlink:to="dmpi_IssuedForServicesTwoMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuedForServicesTwoMember_doc" xml:lang="en-US"> Issued for services two member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LegacyPlanDescription" xlink:to="dmpi_LegacyPlanDescription_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_LegacyPlanDescription_doc" xml:lang="en-US"> Description of legacy plan. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfStockOptionsOutstanding" xlink:to="dmpi_NumberOfStockOptionsOutstanding_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfStockOptionsOutstanding_doc" xml:lang="en-US"> Number of stock options outstanding. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsAbstract" xlink:to="dmpi_NumberOfWarrantsAbstract_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsAbstract_doc" xml:lang="en-US"> Number of warrants. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_PerformanceStockUnitExpense" xlink:label="dmpi_PerformanceStockUnitExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PerformanceStockUnitExpense" xlink:to="dmpi_PerformanceStockUnitExpense_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_PerformanceStockUnitExpense_doc" xml:lang="en-US"> Amount of performance stock unit expense. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PlacementAgentMember" xlink:to="dmpi_PlacementAgentMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_PlacementAgentMember_doc" xml:lang="en-US"> Placement agent member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PreferredStockSpecialVotingSharesIssued" xlink:to="dmpi_PreferredStockSpecialVotingSharesIssued_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_PreferredStockSpecialVotingSharesIssued_doc" xml:lang="en-US"> Represents number of special voting preferred stock issued. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ProceedsFromIssuanceOfSharesAndWarrants" xlink:to="dmpi_ProceedsFromIssuanceOfSharesAndWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ProceedsFromIssuanceOfSharesAndWarrants_doc" xml:lang="en-US"> Proceeds from issuance of shares and warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ProceedsFromIssuanceOfWarrantsNet" xlink:to="dmpi_ProceedsFromIssuanceOfWarrantsNet_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ProceedsFromIssuanceOfWarrantsNet_doc" xml:lang="en-US"> The cash inflow from issuance of warrants net. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ScheduleOfDerivativeLiabilitiesRollForward" xlink:to="dmpi_ScheduleOfDerivativeLiabilitiesRollForward_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ScheduleOfDerivativeLiabilitiesRollForward_doc" xml:lang="en-US"> This element represents roll forward of derivatives liabilities from the beginning of a period to the end of a period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock" xlink:to="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ScheduleOfOutstandingWarrantsTableTextBlock_doc" xml:lang="en-US"> Tabular disclosure of warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesBPreferredStockDividend" xlink:to="dmpi_SeriesBPreferredStockDividend_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SeriesBPreferredStockDividend_doc" xml:lang="en-US"> Series B preferred stock dividend. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesBPreferredStockDividendShares" xlink:to="dmpi_SeriesBPreferredStockDividendShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SeriesBPreferredStockDividendShares_doc" xml:lang="en-US"> Number of shares issued for series B preferred stock dividend. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesPreferredCashDividend" xlink:to="dmpi_SeriesPreferredCashDividend_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SeriesPreferredCashDividend_doc" xml:lang="en-US"> It represent series A preferred cash dividend. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedIntrinsicValue_doc" xml:lang="en-US"> The aggregate intrinsic value of unvested stock options. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm_doc" xml:lang="en-US"> Weighted average contractual term of stock options. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePrice_doc" xml:lang="en-US"> Represents the weighted average price unvested stock options. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsUnvestedWeightedAverageExercisePriceRollForward_doc" xml:lang="en-US"> A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsVestedWeightedAverageExercisePrice_doc" xml:lang="en-US"> Represents the weighted average price vested stock options during the period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrants" xlink:to="dmpi_SharesIssuedOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SharesIssuedOfWarrants_doc" xml:lang="en-US"> Number of warrants issued. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrantsCurrentPortion" xlink:to="dmpi_SharesIssuedOfWarrantsCurrentPortion_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SharesIssuedOfWarrantsCurrentPortion_doc" xml:lang="en-US"> Number of warrant current position. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesIssuedOfWarrantsLongTermPortion" xlink:to="dmpi_SharesIssuedOfWarrantsLongTermPortion_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SharesIssuedOfWarrantsLongTermPortion_doc" xml:lang="en-US"> Number of warrants long term position. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockholdersEquityNoteLineItems" xlink:to="dmpi_StockholdersEquityNoteLineItems_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockholdersEquityNoteLineItems_doc" xml:lang="en-US"> Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockholdersEquityNoteTable" xlink:to="dmpi_StockholdersEquityNoteTable_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockholdersEquityNoteTable_doc" xml:lang="en-US"> Table for shareholders' equity. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares" xlink:to="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendShares_doc" xml:lang="en-US"> Stock issued during period Series B preferred stock dividend shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue" xlink:to="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodSeriesBPreferredStockDividendValue_doc" xml:lang="en-US"> Stock issued during period Series B preferred stock dividend value. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrants" xlink:to="dmpi_StockIssuedOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedOfWarrants_doc" xml:lang="en-US"> Amount of warrants issued. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrantsCurrentPortion" xlink:to="dmpi_StockIssuedOfWarrantsCurrentPortion_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedOfWarrantsCurrentPortion_doc" xml:lang="en-US"> Amount of warrants issued current position. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedOfWarrantsLongTermPortion" xlink:to="dmpi_StockIssuedOfWarrantsLongTermPortion_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedOfWarrantsLongTermPortion_doc" xml:lang="en-US"> Amount of warrants long-term portion </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionLiabilityExpense" xlink:to="dmpi_StockOptionLiabilityExpense_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockOptionLiabilityExpense_doc" xml:lang="en-US"> Stock option liability expense. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionModificationDescription" xlink:to="dmpi_StockOptionModificationDescription_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockOptionModificationDescription_doc" xml:lang="en-US"> It represents stock option modification description. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockOptionsGrantedExercisePrice" xlink:to="dmpi_StockOptionsGrantedExercisePrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockOptionsGrantedExercisePrice_doc" xml:lang="en-US"> Stock options granted exercise price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock" xlink:to="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SummaryOfChangesOfOutstandingWarrantsTableTextBlock_doc" xml:lang="en-US"> Tabular disclosure of changes outstanding warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TaxesAndOtherReceivablesCurrent" xlink:to="dmpi_TaxesAndOtherReceivablesCurrent_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_TaxesAndOtherReceivablesCurrent_doc" xml:lang="en-US"> This element represents taxes and other receivables. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_UnauditedInterimFinancialDataPolicyTextBlock" xlink:to="dmpi_UnauditedInterimFinancialDataPolicyTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_UnauditedInterimFinancialDataPolicyTextBlock_doc" xml:lang="en-US"> Disclosure of accounting policy for unaudited interim financial data. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_UnrecognizedCompensationExpenseTerm" xlink:to="dmpi_UnrecognizedCompensationExpenseTerm_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_UnrecognizedCompensationExpenseTerm_doc" xml:lang="en-US"> Unrecognized compensation expense arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesLlcMember" xlink:to="dmpi_ValentTechnologiesLlcMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ValentTechnologiesLlcMember_doc" xml:lang="en-US"> Represents Valent Technologies LLC. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ValentTechnologiesLlcTextBlock" xlink:to="dmpi_ValentTechnologiesLlcTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ValentTechnologiesLlcTextBlock_doc" xml:lang="en-US"> The entire disclosure for Valent Technologies LLC loan agreement. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_VotingShare" xlink:to="dmpi_VotingShare_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_VotingShare_doc" xml:lang="en-US"> Voting share. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantAgent" xlink:to="dmpi_WarrantAgent_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantAgent_doc" xml:lang="en-US"> Amount of warrant agent. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantExpired" xlink:to="dmpi_WarrantExpired_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantExpired_doc" xml:lang="en-US"> Warrant expired. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantForfeited" xlink:to="dmpi_WarrantForfeited_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantForfeited_doc" xml:lang="en-US"> Warrants forfeited. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantIssuedForServices" xlink:to="dmpi_WarrantIssuedForServices_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantIssuedForServices_doc" xml:lang="en-US"> Warrants issued for services. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsDescription" xlink:to="dmpi_WarrantsDescription_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsDescription_doc" xml:lang="en-US"> Description of warrants </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsExerciseTerm" xlink:to="dmpi_WarrantsExerciseTerm_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsExerciseTerm_doc" xml:lang="en-US"> Term of the agent warrants excecise contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_StockWarrantExercisedDuringPeriodValue" xlink:label="dmpi_StockWarrantExercisedDuringPeriodValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockWarrantExercisedDuringPeriodValue" xlink:to="dmpi_StockWarrantExercisedDuringPeriodValue_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockWarrantExercisedDuringPeriodValue_doc" xml:lang="en-US"> Value of stock warrants exercised for cash. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsGrantedWeightedAverageExercisePrice_doc" xml:lang="en-US"> Represents the weighted average price granted stock options during the period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExercisedForCash" xlink:to="dmpi_ExercisedForCash_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExercisedForCash_doc" xml:lang="en-US"> Warrants exercised for cash. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CashlessExchange" xlink:to="dmpi_CashlessExchange_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_CashlessExchange_doc" xml:lang="en-US"> Warrants cashless exchange </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock" xlink:to="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ConversionOfSeriesBPreferredStockSharesToCommonStock_doc" xml:lang="en-US"> Series B Preferred shares converted to common stock. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:to="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareIssuanceCostsAccruedThroughAccountsPayableAndAccruedLiabilities_doc" xml:lang="en-US"> Share issuance costs accrued through accounts payable and accrued liabilities. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseandExchangeofWarrants" xlink:label="dmpi_ExerciseandExchangeofWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseandExchangeofWarrants" xlink:to="dmpi_ExerciseandExchangeofWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseandExchangeofWarrants_doc" xml:lang="en-US"> The amount of exercise and exchange of warrants. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_ExerciseandExchangeofWarrantsinShares" xlink:label="dmpi_ExerciseandExchangeofWarrantsinShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseandExchangeofWarrantsinShares" xlink:to="dmpi_ExerciseandExchangeofWarrantsinShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseandExchangeofWarrantsinShares_doc" xml:lang="en-US"> Number of exercise and exchange of warrants. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSharesAndWarrants" xlink:label="dmpi_IssuanceOfSharesAndWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrants" xlink:to="dmpi_IssuanceOfSharesAndWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSharesAndWarrants_doc" xml:lang="en-US"> Issuance of shares and warrants. </link:label>
<link:loc xlink:type="locator" xlink:href="dmpi-20190331.xsd#dmpi_IssuanceOfSharesAndWarrantsShares" xlink:label="dmpi_IssuanceOfSharesAndWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsShares" xlink:to="dmpi_IssuanceOfSharesAndWarrantsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSharesAndWarrantsShares_doc" xml:lang="en-US"> Issuance of shares and warrants, Shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsPrice" xlink:to="dmpi_WarrantsPrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsPrice_doc" xml:lang="en-US"> Warrants price. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CancellationOfPerformanceStockUnitsOutstanding" xlink:to="dmpi_CancellationOfPerformanceStockUnitsOutstanding_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_CancellationOfPerformanceStockUnitsOutstanding_doc" xml:lang="en-US"> Cancellation of PSU’s outstanding. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReducedSharesOfCommonStockAvailableForIssuance" xlink:to="dmpi_ReducedSharesOfCommonStockAvailableForIssuance_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReducedSharesOfCommonStockAvailableForIssuance_doc" xml:lang="en-US"> Reduced shares of common stock available for issuance. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReserveWillBeIncreasedBackShares" xlink:to="dmpi_ReserveWillBeIncreasedBackShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReserveWillBeIncreasedBackShares_doc" xml:lang="en-US"> Reserve will be increased back shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities" xlink:to="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_DeferredFinancingCostsAccruedThroughAccountsPayableAndAccruedLiabilities_doc" xml:lang="en-US"> Deferred financing costs accrued through accounts payable and accrued liabilities. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredTaxAssetsFinancingCost" xlink:to="dmpi_DeferredTaxAssetsFinancingCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_DeferredTaxAssetsFinancingCost_doc" xml:lang="en-US"> Deferred tax assets financing cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment" xlink:to="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_DeferredTaxLiabilitiesScientificResearchAndDevelopment_doc" xml:lang="en-US"> Deferred tax liabilities scientific research and development. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IncomeTaxReconciliationPermanentDifferences" xlink:to="dmpi_IncomeTaxReconciliationPermanentDifferences_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IncomeTaxReconciliationPermanentDifferences_doc" xml:lang="en-US"> Income tax reconciliation permanent differences. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CanadianMember" xlink:to="dmpi_CanadianMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_CanadianMember_doc" xml:lang="en-US"> Canadian member. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract" xlink:to="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_CurrentAndFutureIncomeTaxesTextualsAbstract_doc" xml:lang="en-US"> Current and future income taxes. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_RevaluedDeferredTaxAssets" xlink:to="dmpi_RevaluedDeferredTaxAssets_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_RevaluedDeferredTaxAssets_doc" xml:lang="en-US"> Amount of revalued deferred tax assets. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_USFederalCorporateTaxRate" xlink:to="dmpi_USFederalCorporateTaxRate_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_USFederalCorporateTaxRate_doc" xml:lang="en-US"> Percentage of domestic federal statutory tax rate applicable to pretax income (loss). </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PeriodicLeaseRentPayment" xlink:to="dmpi_PeriodicLeaseRentPayment_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_PeriodicLeaseRentPayment_doc" xml:lang="en-US"> Periodic Lease Rent Payment. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_TermOfOfficeRent" xlink:to="dmpi_TermOfOfficeRent_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_TermOfOfficeRent_doc" xml:lang="en-US"> Term of office rent. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost" xlink:to="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ManufacturingAndClinicalStudyManagementRelatedCost_doc" xml:lang="en-US"> Manufacturing and clinical study management related cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClinicalDevelopmentNetOfDepositsPaid" xlink:to="dmpi_ClinicalDevelopmentNetOfDepositsPaid_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClinicalDevelopmentNetOfDepositsPaid_doc" xml:lang="en-US"> The amount of deposists paid. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClinicalDevelopmentResearchDeposits" xlink:to="dmpi_ClinicalDevelopmentResearchDeposits_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClinicalDevelopmentResearchDeposits_doc" xml:lang="en-US"> The amount of deposites reserved for research and development. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LiquidityRiskMember" xlink:to="dmpi_LiquidityRiskMember_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_LiquidityRiskMember_doc" xml:lang="en-US"> Liquidity risk. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_LiquidityRiskMaximumExposure" xlink:to="dmpi_LiquidityRiskMaximumExposure_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_LiquidityRiskMaximumExposure_doc" xml:lang="en-US"> Liquidity Risk Maximum Exposure. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost" xlink:to="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSharesAndWarrantsNetOfIssueCost_doc" xml:lang="en-US"> issuance of shares and warrants net of issue cost </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts" xlink:to="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCosts_doc" xml:lang="en-US"> Issuance of Series B Preferred Shares - net of issue costs. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares" xlink:to="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfSeriesBPreferredSharesNetOfIssueCostsShares_doc" xml:lang="en-US"> Issuance of Series B Preferred Shares - net of issue costs. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfStockOptionLiability" xlink:to="dmpi_ReclassificationOfStockOptionLiability_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfStockOptionLiability_doc" xml:lang="en-US"> Reclassification of stock option liability. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash" xlink:to="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodValueWarrantsExercisedForCash_doc" xml:lang="en-US"> Warrants exercised for cash. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash" xlink:to="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodSharesWarrantsExercisedForCash_doc" xml:lang="en-US"> Number of shares issued for Warrants exercised for cash. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants" xlink:to="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrants_doc" xml:lang="en-US"> Value of Cashless exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants" xlink:to="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants_doc" xml:lang="en-US"> Exercise of investor warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ConversionOfSeriesBPreferredStockToCommonStock" xlink:to="dmpi_ConversionOfSeriesBPreferredStockToCommonStock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ConversionOfSeriesBPreferredStockToCommonStock_doc" xml:lang="en-US"> Conversion of series B preferred stock to common stock. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SeriesPreferredStockDividends" xlink:to="dmpi_SeriesPreferredStockDividends_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SeriesPreferredStockDividends_doc" xml:lang="en-US"> Series a preferred stock dividend. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsExercisedPrice" xlink:to="dmpi_WarrantsExercisedPrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsExercisedPrice_doc" xml:lang="en-US"> Exercise price per share. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReverseStockSplitPolicyTextBlock" xlink:to="dmpi_ReverseStockSplitPolicyTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReverseStockSplitPolicyTextBlock_doc" xml:lang="en-US"> Disclosure of accounting policy for reverse stock split. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_SharesForServicesPolicyTextBlock" xlink:to="dmpi_SharesForServicesPolicyTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_SharesForServicesPolicyTextBlock_doc" xml:lang="en-US"> Discloure of accounting policy for shares for services. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_PerformanceStockUnitsPolicyTextBlock" xlink:to="dmpi_PerformanceStockUnitsPolicyTextBlock_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_PerformanceStockUnitsPolicyTextBlock_doc" xml:lang="en-US"> Disclosure of accounting policy for performance stock units. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfDividendWarrants_doc" xml:lang="en-US"> Reclassification of derivative liability to equity upon the amendment of Dividend Warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationToEquityUponExerciseOfWarrants" xlink:to="dmpi_ReclassificationToEquityUponExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationToEquityUponExerciseOfWarrants_doc" xml:lang="en-US"> Reclassification to equity upon exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_InvestorWarrant" xlink:to="dmpi_InvestorWarrant_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_InvestorWarrant_doc" xml:lang="en-US"> lts represents investors warrant. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantIssuedForService" xlink:to="dmpi_WarrantIssuedForService_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantIssuedForService_doc" xml:lang="en-US"> Warrants issued for service. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsIssuedForServicesValues" xlink:to="dmpi_WarrantsIssuedForServicesValues_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsIssuedForServicesValues_doc" xml:lang="en-US"> This element refer to warrant issued for service. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightExercised" xlink:to="dmpi_ClassOfWarrantOrRightExercised_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClassOfWarrantOrRightExercised_doc" xml:lang="en-US"> Number of warrant or right exercised. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_CashlessWarrantExercised" xlink:to="dmpi_CashlessWarrantExercised_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_CashlessWarrantExercised_doc" xml:lang="en-US"> The number of cash less warrants exercised. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_GrossProceedsFromExerciseOfWarrants" xlink:to="dmpi_GrossProceedsFromExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_GrossProceedsFromExerciseOfWarrants_doc" xml:lang="en-US"> Gross proceeds from exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReverseAcquisitionDescription" xlink:to="dmpi_ReverseAcquisitionDescription_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReverseAcquisitionDescription_doc" xml:lang="en-US"> Description of reverse acquisition. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ClassOfWarrantOrRightIssued" xlink:to="dmpi_ClassOfWarrantOrRightIssued_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ClassOfWarrantOrRightIssued_doc" xml:lang="en-US"> Aggregate amount of each class of warrants or rights issued. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityUponExchangeOfInvestorWarrants_doc" xml:lang="en-US"> Reclassification of derivative liability upon the exchange of investor warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants" xlink:to="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfCommonStockIssuedUponExerciseOfWarrants_doc" xml:lang="en-US"> The number of shares issued on the exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NonCashIssueCosts" xlink:to="dmpi_NonCashIssueCosts_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NonCashIssueCosts_doc" xml:lang="en-US"> The fair value of issuance cost in noncash investing and financing activities. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponExerciseOfWarrants_doc" xml:lang="en-US"> Reclassification of derivative liability to equity upon the exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants" xlink:to="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfDerivativeLiabilityToEquityUponAmendmentOfWarrants_doc" xml:lang="en-US"> Reclassification of derivative liability to equity upon the amendment of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement" xlink:to="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ReclassificationOfStockOptionLiabilityToEquityUponSettlement_doc" xml:lang="en-US"> Reclassification of stock option liability to equity upon settlement. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice" xlink:to="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockOptionsForfeitedWeightedAverageExercisePrice_doc" xml:lang="en-US"> Represents the weighted average price forfeited stock options during the period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsRollForward" xlink:to="dmpi_NumberOfWarrantsRollForward_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsRollForward_doc" xml:lang="en-US"> A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfValentWarrantsShares" xlink:to="dmpi_ExerciseOfValentWarrantsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseOfValentWarrantsShares_doc" xml:lang="en-US"> Exercise of valent warrants shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfInvestorWarrantsShares" xlink:to="dmpi_ExerciseOfInvestorWarrantsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseOfInvestorWarrantsShares_doc" xml:lang="en-US"> Exercise of investor warrants shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsShares_doc" xml:lang="en-US"> The number of warrants issued to investor and agent shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne" xlink:to="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrantsOne_doc" xml:lang="en-US"> Exercise of investor warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_AdjustmentOfWarrantsGrantedForServicesShares" xlink:to="dmpi_AdjustmentOfWarrantsGrantedForServicesShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_AdjustmentOfWarrantsGrantedForServicesShares_doc" xml:lang="en-US"> Adjustment for noncash service expenses paid for by granting of warrant shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfInvestorWarrantsCost" xlink:to="dmpi_IssuanceOfInvestorWarrantsCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfInvestorWarrantsCost_doc" xml:lang="en-US"> Issuance of investor warrants cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfAgentWarrantsCost" xlink:to="dmpi_IssuanceOfAgentWarrantsCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_IssuanceOfAgentWarrantsCost_doc" xml:lang="en-US"> Issuance of agent warrants cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfValentWarrantsCost" xlink:to="dmpi_ExerciseOfValentWarrantsCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseOfValentWarrantsCost_doc" xml:lang="en-US"> Exercise of valent warrants cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfInvestorWarrants" xlink:to="dmpi_ExerciseOfInvestorWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseOfInvestorWarrants_doc" xml:lang="en-US"> Exercise of investor warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestorAndAgentsCost_doc" xml:lang="en-US"> Number of warrants issued to investor and agents cost. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne" xlink:to="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_StockIssuedDuringPeriodValueCashlessExerciseOfWarrantsOne_doc" xml:lang="en-US"> Value of Cashless exercise of warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToInvestor" xlink:to="dmpi_NumberOfWarrantsIssuedToInvestor_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsIssuedToInvestor_doc" xml:lang="en-US"> Number of warrants issued to investor. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExerciseOfWarrantsIssuedToInvestorShares" xlink:to="dmpi_ExerciseOfWarrantsIssuedToInvestorShares_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExerciseOfWarrantsIssuedToInvestorShares_doc" xml:lang="en-US"> The number of exercises of warrants issued to investor shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfWarrantsIssuedToAgent" xlink:to="dmpi_NumberOfWarrantsIssuedToAgent_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfWarrantsIssuedToAgent_doc" xml:lang="en-US"> Number of warrants issued to agent. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_WarrantsIssuedForServicesShare" xlink:to="dmpi_WarrantsIssuedForServicesShare_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_WarrantsIssuedForServicesShare_doc" xml:lang="en-US"> Warrants issued for services,shares. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_ExpiryOfDividendWarrants" xlink:to="dmpi_ExpiryOfDividendWarrants_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_ExpiryOfDividendWarrants_doc" xml:lang="en-US"> Expiry of dividend warrants. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_NumberOfInvestorWarrantsExpired" xlink:to="dmpi_NumberOfInvestorWarrantsExpired_doc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="dmpi_NumberOfInvestorWarrantsExpired_doc" xml:lang="en-US"> Number of investor warrants expired. </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_2_lbl" xml:lang="en-US"> Assets, Current </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_2_lbl" xml:lang="en-US"> Assets [Default Label] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_2_lbl" xml:lang="en-US"> Liabilities, Current </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_2_lbl" xml:lang="en-US"> Liabilities [Default Label] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_4_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_4_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xml:lang="en-US"> Liabilities and Equity </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_2_lbl" xml:lang="en-US"> Operating Expenses </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_2_lbl" xml:lang="en-US"> Gain (Loss) on Derivative Instruments, Net, Pretax </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_2_lbl" xml:lang="en-US"> Foreign Currency Transaction Gain (Loss), before Tax </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeInterest_2_lbl" xml:lang="en-US"> Investment Income, Interest </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpense_2_lbl" xml:lang="en-US"> Nonoperating Income (Expense) </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2_lbl" xml:lang="en-US"> Net Income (Loss) Available to Common Stockholders, Basic </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesOutstanding_3_lbl" xml:lang="en-US"> Shares, Outstanding </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_2_lbl" xml:lang="en-US"> Unrealized Gain (Loss) on Derivatives </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IssuanceOfStockForServices" xlink:to="dmpi_IssuanceOfStockForServices_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IssuanceOfStockForServices_3_lbl" xml:lang="en-US"> Issuance Of Stock For Services </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_2_lbl" xml:lang="en-US"> Issuance of Stock and Warrants for Services or Claims </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_2_lbl" xml:lang="en-US"> Share-based Compensation </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables" xlink:to="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_3_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dmpi_IncreaseDecreaseInTaxesAndOtherReceivables_3_lbl" xml:lang="en-US"> Increase Decrease In Taxes and Other Receivables </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_2_lbl" xml:lang="en-US"> Increase (Decrease) in Prepaid Expense </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_2_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_2_lbl" xml:lang="en-US"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:to="us-gaap_IncreaseDecreaseInDueToRelatedParties_2_lbl" xlink:type="arc"/>
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<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_2_lbl" xml:lang="en-US"> Income Tax Expense (Benefit) </link:label>
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Filing Submission 0001213900-19-012524   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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