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Notox Technologies Corp. – ‘10-Q’ for 2/29/20 – ‘EX-101.LAB’

On: Monday, 6/1/20, at 6:16am ET · For: 2/29/20 · Accession #: 1493152-20-10201 · File #: 1-34911

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

 6/01/20  Notox Technologies Corp.          10-Q        2/29/20   55:2.9M                                   M2 Compliance/FA

Quarterly Report — Form 10-Q — Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    326K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     25K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     25K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     19K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     19K 
38: R1          Document and Entity Information                     HTML     48K 
23: R2          Condensed Consolidated Balance Sheets (Unaudited)   HTML    113K 
29: R3          Condensed Consolidated Statements of Loss and       HTML    114K 
                Comprehensive Loss (Unaudited)                                   
53: R4          Condensed Consolidated Statements of Cash Flows     HTML    112K 
                (Unaudited)                                                      
37: R5          Condensed Consolidated Statements of Stockholders'  HTML     78K 
                Deficiency (Unaudited)                                           
22: R6          Company Overview and Basis of Presentation          HTML     37K 
26: R7          Summary of Significant Accounting Policies          HTML     25K 
52: R8          Fair Value Measurements                             HTML     23K 
40: R9          License Agreement, Net                              HTML     29K 
46: R10         Business Combination                                HTML     31K 
42: R11         Accounts Payable and Accrued Liabilities            HTML     22K 
15: R12         Related Party Transactions and Balances             HTML     28K 
34: R13         Advances from Shareholders                          HTML     19K 
47: R14         License Assignment Fee and Accrued Interest         HTML     21K 
                Payable                                                          
43: R15         Commitments                                         HTML     24K 
17: R16         Stockholders' Deficiency                            HTML     49K 
35: R17         Risks and Uncertainties                             HTML     20K 
48: R18         Accounting Pronouncements                           HTML     23K 
41: R19         Contingent Liability                                HTML     20K 
21: R20         Subsequent Event                                    HTML     21K 
27: R21         Summary of Significant Accounting Policies          HTML     40K 
                (Policies)                                                       
54: R22         License Agreement, Net (Tables)                     HTML     29K 
36: R23         Business Combination (Tables)                       HTML     32K 
24: R24         Accounts Payable and Accrued Liabilities (Tables)   HTML     22K 
28: R25         Stockholders' Deficiency (Tables)                   HTML     45K 
55: R26         Company Overview and Basis of Presentation          HTML     44K 
                (Details Narrative)                                              
39: R27         Summary of Significant Accounting Policies          HTML     20K 
                (Details Narrative)                                              
20: R28         License Agreement, Net (Details Narrative)          HTML     20K 
30: R29         License Agreement, Net - Schedule of License        HTML     25K 
                Agreement (Details)                                              
33: R30         License Agreement, Net - Schedule of Amortization   HTML     32K 
                Expense on Intangible Assets (Details)                           
13: R31         Business Combination - Schedule of Fair Value       HTML     47K 
                Assets Acquired Liabilities (Details)                            
45: R32         Business Combination - Schedule of Intangible       HTML     32K 
                Assets Gross Carrying Value (Details)                            
50: R33         Accounts Payable and Accrued Liabilities -          HTML     25K 
                Schedule of Accounts Payable and Accrued                         
                Liabilities (Details)                                            
32: R34         Related Party Transactions and Balances (Details    HTML     46K 
                Narrative)                                                       
12: R35         Advances from Shareholders (Details Narrative)      HTML     26K 
44: R36         License Assignment Fee and Accrued Interest         HTML     37K 
                Payable (Details Narrative)                                      
49: R37         Commitments (Details Narrative)                     HTML     42K 
31: R38         Stockholders' Deficiency (Details Narrative)        HTML     92K 
14: R39         Stockholders' Deficiency - Schedule of Stock        HTML     59K 
                Purchase Warrants (Details)                                      
25: R40         Stockholders' Deficiency - Schedule of Stock        HTML     28K 
                Options Valuation Assumptions (Details)                          
18: R41         Contingent Liability (Details Narrative)            HTML     31K 
19: XML         IDEA XML File -- Filing Summary                      XML     94K 
16: EXCEL       IDEA Workbook of Financial Reports                  XLSX     48K 
 6: EX-101.INS  XBRL Instance -- ntox-20200229                       XML    728K 
 8: EX-101.CAL  XBRL Calculations -- ntox-20200229_cal               XML    163K 
 9: EX-101.DEF  XBRL Definitions -- ntox-20200229_def                XML    300K 
10: EX-101.LAB  XBRL Labels -- ntox-20200229_lab                     XML    668K 
11: EX-101.PRE  XBRL Presentations -- ntox-20200229_pre              XML    477K 
 7: EX-101.SCH  XBRL Schema -- ntox-20200229                         XSD    127K 
51: ZIP         XBRL Zipped Folder -- 0001493152-20-010201-xbrl      Zip     76K

‘EX-101.LAB’ — XBRL Labels — ntox-20200229_lab

This Exhibit is an XBRL XML File.

<?xml version="1.0" standalone="no" encoding="windows-1252"?>

<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>

<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.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="ntox-20200229.xsd#NTOX_NotoxBioscienceIncMember" xlink:label="NTOX_NotoxBioscienceIncMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NotoxBioscienceIncMember" xlink:to="NTOX_NotoxBioscienceIncMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_NotoxBioscienceIncMember_lbl" xml:lang="en-US"> Notox Bioscience Inc [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_TitleOfIndividualAxis" xlink:label="srt_TitleOfIndividualAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualAxis_lbl" xml:lang="en-US"> Title Of Individual [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ConsultantMember" xlink:label="NTOX_ConsultantMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultantMember" xlink:to="NTOX_ConsultantMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ConsultantMember_lbl" xml:lang="en-US"> Consultant [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_USDCurrencyMember" xlink:label="NTOX_USDCurrencyMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_USDCurrencyMember" xlink:to="NTOX_USDCurrencyMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_USDCurrencyMember_lbl" xml:lang="en-US"> USD Currency [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xml:lang="en-US"> Type of Arrangement and Non-arrangement Transactions [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ConsultingAgreementMember" xlink:label="NTOX_ConsultingAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingAgreementMember" xlink:to="NTOX_ConsultingAgreementMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ConsultingAgreementMember_lbl" xml:lang="en-US"> Consulting Agreement [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_TropicSpaIncMember" xlink:label="NTOX_TropicSpaIncMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TropicSpaIncMember" xlink:to="NTOX_TropicSpaIncMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_TropicSpaIncMember_lbl" xml:lang="en-US"> Tropic Spa Inc [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_SubcoMember" xlink:label="NTOX_SubcoMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SubcoMember" xlink:to="NTOX_SubcoMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_SubcoMember_lbl" xml:lang="en-US"> Subco [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ShareExchangeAgreementMember" xlink:label="NTOX_ShareExchangeAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ShareExchangeAgreementMember" xlink:to="NTOX_ShareExchangeAgreementMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ShareExchangeAgreementMember_lbl" xml:lang="en-US"> Share Exchange Agreement [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ZoranKCorporationMember" xlink:label="NTOX_ZoranKCorporationMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ZoranKCorporationMember" xlink:to="NTOX_ZoranKCorporationMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ZoranKCorporationMember_lbl" xml:lang="en-US"> Zoran K Corporation [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardDateAxis" xlink:label="us-gaap_AwardDateAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardDateAxis" xlink:to="us-gaap_AwardDateAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardDateAxis_lbl" xml:lang="en-US"> Award Date [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember" xlink:label="NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember" xlink:to="NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember_lbl" xml:lang="en-US"> October 31, 2018 [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember" xlink:label="NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember" xlink:to="NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember_lbl" xml:lang="en-US"> September 30, 2018 - Finder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_NovemberTwoTwoThousandAndEighteenMember" xlink:label="NTOX_NovemberTwoTwoThousandAndEighteenMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NovemberTwoTwoThousandAndEighteenMember" xlink:to="NTOX_NovemberTwoTwoThousandAndEighteenMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_NovemberTwoTwoThousandAndEighteenMember_lbl" xml:lang="en-US"> November 2, 2018 [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_JulySeventeenTwoThousandAndNineteenFinderMember" xlink:label="NTOX_JulySeventeenTwoThousandAndNineteenFinderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_JulySeventeenTwoThousandAndNineteenFinderMember" xlink:to="NTOX_JulySeventeenTwoThousandAndNineteenFinderMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_JulySeventeenTwoThousandAndNineteenFinderMember_lbl" xml:lang="en-US"> July 17, 2019 - Finder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SeptemberSevenTwoThousandAndNineteenMember" xlink:label="NTOX_SeptemberSevenTwoThousandAndNineteenMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SeptemberSevenTwoThousandAndNineteenMember" xlink:to="NTOX_SeptemberSevenTwoThousandAndNineteenMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_SeptemberSevenTwoThousandAndNineteenMember_lbl" xml:lang="en-US"> September 7, 2019 [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAgreementMember" xlink:label="NTOX_LicenseAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementMember" xlink:to="NTOX_LicenseAgreementMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAgreementMember_lbl" xml:lang="en-US"> License Agreement [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_PresidentMember" xlink:label="srt_PresidentMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_PresidentMember" xlink:to="srt_PresidentMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_PresidentMember_lbl" xml:lang="en-US"> President [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ChiefExecutiveOfficerMember" xlink:label="srt_ChiefExecutiveOfficerMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ChiefExecutiveOfficerMember" xlink:to="srt_ChiefExecutiveOfficerMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ChiefExecutiveOfficerMember_lbl" xml:lang="en-US"> Chief Executive Officer [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_ShareholderMember" xlink:label="NTOX_ShareholderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ShareholderMember" xlink:to="NTOX_ShareholderMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ShareholderMember_lbl" xml:lang="en-US"> Shareholder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PremisesLeaseMember" xlink:label="NTOX_PremisesLeaseMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PremisesLeaseMember" xlink:to="NTOX_PremisesLeaseMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PremisesLeaseMember_lbl" xml:lang="en-US"> Premises Lease [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Accumulated deficit [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PresidentAndOtherShareholdersMember" xlink:label="NTOX_PresidentAndOtherShareholdersMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PresidentAndOtherShareholdersMember" xlink:to="NTOX_PresidentAndOtherShareholdersMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PresidentAndOtherShareholdersMember_lbl" xml:lang="en-US"> President and Other Shareholders [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_TropicInternationalIncMember" xlink:label="NTOX_TropicInternationalIncMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TropicInternationalIncMember" xlink:to="NTOX_TropicInternationalIncMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_TropicInternationalIncMember_lbl" xml:lang="en-US"> Tropic International Inc. [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.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/2020/elts/srt-2020-01-31.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="ntox-20200229.xsd#NTOX_PresidentCEOAndMajorShareholderMember" xlink:label="NTOX_PresidentCEOAndMajorShareholderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PresidentCEOAndMajorShareholderMember" xlink:to="NTOX_PresidentCEOAndMajorShareholderMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PresidentCEOAndMajorShareholderMember_lbl" xml:lang="en-US"> President, CEO and Major Shareholder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PresidentAndCEOMember" xlink:label="NTOX_PresidentAndCEOMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PresidentAndCEOMember" xlink:to="NTOX_PresidentAndCEOMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PresidentAndCEOMember_lbl" xml:lang="en-US"> President and CEO [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Shares to be issued </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US"> Purchase consideration </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_NewCoMember" xlink:label="NTOX_NewCoMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NewCoMember" xlink:to="NTOX_NewCoMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_NewCoMember_lbl" xml:lang="en-US"> NewCo [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US"> Indefinite-lived Intangible Assets [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember" xlink:label="us-gaap_TrademarksMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TrademarksMember" xlink:to="us-gaap_TrademarksMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TrademarksMember_lbl" xml:lang="en-US"> Trademarks [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAgreementsMember" xlink:label="NTOX_LicenseAgreementsMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementsMember" xlink:to="NTOX_LicenseAgreementsMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAgreementsMember_lbl" xml:lang="en-US"> License Agreements [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_CustomerBaseMember" xlink:label="NTOX_CustomerBaseMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_CustomerBaseMember" xlink:to="NTOX_CustomerBaseMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_CustomerBaseMember_lbl" xml:lang="en-US"> Customer Base [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_AssembledWorkForceMember" xlink:label="NTOX_AssembledWorkForceMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AssembledWorkForceMember" xlink:to="NTOX_AssembledWorkForceMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_AssembledWorkForceMember_lbl" xml:lang="en-US"> Assembled Workforce (Goodwill) [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xml:lang="en-US"> Measurement Input Type [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputExpectedDividendRateMember" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputExpectedDividendRateMember" xlink:to="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xml:lang="en-US"> Expected Dividends [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:to="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xml:lang="en-US"> Risk Free Interest Rate [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputPriceVolatilityMember" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputPriceVolatilityMember" xlink:to="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xml:lang="en-US"> Expected Volatility [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_ShareissuancesOneMember" xlink:label="NTOX_ShareissuancesOneMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ShareissuancesOneMember" xlink:to="NTOX_ShareissuancesOneMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ShareissuancesOneMember_lbl" xml:lang="en-US"> Share issuances One [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember" xlink:label="NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember" xlink:to="NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember_lbl" xml:lang="en-US"> January 24, 2022 [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PatentsMember" xlink:label="us-gaap_PatentsMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PatentsMember" xlink:to="us-gaap_PatentsMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PatentsMember_lbl" xml:lang="en-US"> Patents [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_TrademarksLicenseAgreementAndCustomerBaseMember" xlink:label="NTOX_TrademarksLicenseAgreementAndCustomerBaseMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TrademarksLicenseAgreementAndCustomerBaseMember" xlink:to="NTOX_TrademarksLicenseAgreementAndCustomerBaseMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_TrademarksLicenseAgreementAndCustomerBaseMember_lbl" xml:lang="en-US"> Trademarks, License Agreement and Customer Base [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputExpectedTermMember" xlink:label="us-gaap_MeasurementInputExpectedTermMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputExpectedTermMember" xlink:to="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xml:lang="en-US"> Measurement Input, Expected Term [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_DocumentAndEntityInformationAbstract" xlink:label="NTOX_DocumentAndEntityInformationAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_DocumentAndEntityInformationAbstract" xlink:to="NTOX_DocumentAndEntityInformationAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US"> Document And Entity Information </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.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/2019/dei-2019-01-31.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/2019/dei-2019-01-31.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/2019/dei-2019-01-31.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/2019/dei-2019-01-31.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/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US"> Current Fiscal Year End Date </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US"> Entity Current Reporting Status </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xml:lang="en-US"> Entity Interactive Data Current </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.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/2019/dei-2019-01-31.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 Flag </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.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="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityExTransitionPeriod" xlink:to="dei_EntityExTransitionPeriod_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityExTransitionPeriod_lbl" xml:lang="en-US"> Entity Ex Transition Period </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US"> Entity Shell Company </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US"> Entity Common Stock Shares Outstanding </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US"> Document Fiscal Period Focus </link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US"> Document Fiscal Year Focus </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="us-gaap_ReceivablesNetCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesNetCurrent" xlink:to="us-gaap_ReceivablesNetCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesNetCurrent_lbl" xml:lang="en-US"> Amounts receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US"> Inventory </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ValueAddedTaxReceivableCurrent" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValueAddedTaxReceivableCurrent" xlink:to="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xml:lang="en-US"> Sales tax receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Total current assets </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueFromRelatedPartiesNoncurrent" xlink:label="us-gaap_DueFromRelatedPartiesNoncurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueFromRelatedPartiesNoncurrent" xlink:to="us-gaap_DueFromRelatedPartiesNoncurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueFromRelatedPartiesNoncurrent_lbl" xml:lang="en-US"> Advances to Xthetica </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US"> Office equipment </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedPatentsGross" xlink:label="us-gaap_FiniteLivedPatentsGross"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedPatentsGross" xlink:to="us-gaap_FiniteLivedPatentsGross_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedPatentsGross_lbl" xml:lang="en-US"> Patents </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAgreementNet" xlink:label="NTOX_LicenseAgreementNet"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementNet" xlink:to="NTOX_LicenseAgreementNet_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAgreementNet_lbl" xml:lang="en-US"> License agreement (Note 4) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US"> Intangible assets (Note 5) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US"> Goodwill (Note 5) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US"> LIABILITIES AND STOCKHOLDERS' DEFICIENCY </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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 (Note 6) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueToOfficersOrStockholdersCurrent" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToOfficersOrStockholdersCurrent" xlink:to="us-gaap_DueToOfficersOrStockholdersCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrent_lbl" xml:lang="en-US"> Advances from related parties/shareholders (Note 7 and 8) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAssignmentFeePayable" xlink:label="NTOX_LicenseAssignmentFeePayable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAssignmentFeePayable" xlink:to="NTOX_LicenseAssignmentFeePayable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAssignmentFeePayable_lbl" xml:lang="en-US"> License assignment fee and accrued interest payable (Note 9) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockPurchaseWarrants" xlink:label="NTOX_StockPurchaseWarrants"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockPurchaseWarrants" xlink:to="NTOX_StockPurchaseWarrants_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockPurchaseWarrants_lbl" xml:lang="en-US"> Stock purchase warrants (Note 11) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockSubscribedInAdvanceCurrent" xlink:label="NTOX_StockSubscribedInAdvanceCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockSubscribedInAdvanceCurrent" xlink:to="NTOX_StockSubscribedInAdvanceCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockSubscribedInAdvanceCurrent_lbl" xml:lang="en-US"> Stock subscribed in advance (Note 11) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Total current liabilities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xml:lang="en-US"> Deferred tax liability (Note 5) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesNoncurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToRelatedPartiesNoncurrent" xlink:to="us-gaap_DueToRelatedPartiesNoncurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToRelatedPartiesNoncurrent_lbl" xml:lang="en-US"> Due to the Clinic (Note 4) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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' deficiency (Note 11): </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_PurchaseConsideration" xlink:label="NTOX_PurchaseConsideration"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PurchaseConsideration" xlink:to="NTOX_PurchaseConsideration_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PurchaseConsideration_lbl" xml:lang="en-US"> Purchase consideration (Note 5) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Deficit accumulated during the development stage </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Total stockholders' deficiency </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 stockholders' deficiency </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US"> Revenue: </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xml:lang="en-US"> Sales </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Production costs: </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US"> COGS </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_AmortizationForLicenseAgreement" xlink:label="NTOX_AmortizationForLicenseAgreement"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AmortizationForLicenseAgreement" xlink:to="NTOX_AmortizationForLicenseAgreement_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_AmortizationForLicenseAgreement_lbl" xml:lang="en-US"> Amortization - license agreement (Note 4) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RoyaltyExpense" xlink:label="us-gaap_RoyaltyExpense"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RoyaltyExpense" xlink:to="us-gaap_RoyaltyExpense_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RoyaltyExpense_lbl" xml:lang="en-US"> Royalty </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PatentingCosts" xlink:label="NTOX_PatentingCosts"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PatentingCosts" xlink:to="NTOX_PatentingCosts_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PatentingCosts_lbl" xml:lang="en-US"> Patenting costs - the Clinic </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Total production costs </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US"> Gross margin </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseAbstract" xlink:label="us-gaap_GeneralAndAdministrativeExpenseAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpenseAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpenseAbstract_lbl" xml:lang="en-US"> General and administration: </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ConsultingFeesManagement" xlink:label="NTOX_ConsultingFeesManagement"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingFeesManagement" xlink:to="NTOX_ConsultingFeesManagement_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ConsultingFeesManagement_lbl" xml:lang="en-US"> Consulting fees - management (Note 7) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="us-gaap_LaborAndRelatedExpense"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LaborAndRelatedExpense" xlink:to="us-gaap_LaborAndRelatedExpense_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xml:lang="en-US"> Salaries and benefits </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 - intangible assets (Note 5) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="us-gaap_InterestExpenseRelatedParty"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseRelatedParty" xlink:to="us-gaap_InterestExpenseRelatedParty_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseRelatedParty_lbl" xml:lang="en-US"> Interest on advances from related parties/shareholders (Note 7 and 8) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_InterestOnLicenseAssignmentFeePayable" xlink:label="NTOX_InterestOnLicenseAssignmentFeePayable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_InterestOnLicenseAssignmentFeePayable" xlink:to="NTOX_InterestOnLicenseAssignmentFeePayable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_InterestOnLicenseAssignmentFeePayable_lbl" xml:lang="en-US"> Interest on license assignment fee payable (Note 9) </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="us-gaap_AdvertisingExpense"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvertisingExpense" xlink:to="us-gaap_AdvertisingExpense_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdvertisingExpense_lbl" xml:lang="en-US"> Advertising and promotion </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_OfficeAndMiscellaneousExpenses" xlink:label="NTOX_OfficeAndMiscellaneousExpenses"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_OfficeAndMiscellaneousExpenses" xlink:to="NTOX_OfficeAndMiscellaneousExpenses_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_OfficeAndMiscellaneousExpenses_lbl" xml:lang="en-US"> Office and miscellaneous </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfessionalFees" xlink:to="us-gaap_ProfessionalFees_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfessionalFees_lbl" xml:lang="en-US"> Professional fees </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxesOther" xlink:label="us-gaap_TaxesOther"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxesOther" xlink:to="us-gaap_TaxesOther_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxesOther_lbl" xml:lang="en-US"> Taxes </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TravelAndEntertainmentExpense" xlink:label="us-gaap_TravelAndEntertainmentExpense"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TravelAndEntertainmentExpense" xlink:to="us-gaap_TravelAndEntertainmentExpense_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TravelAndEntertainmentExpense_lbl" xml:lang="en-US"> Travel and entertainment </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_TrustAndFilingFees" xlink:label="NTOX_TrustAndFilingFees"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TrustAndFilingFees" xlink:to="NTOX_TrustAndFilingFees_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_TrustAndFilingFees_lbl" xml:lang="en-US"> Trust and filing fees </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/totalLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> Total general and administration </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes" xlink:label="NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes" xlink:to="NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes_lbl" xml:lang="en-US"> Loss before other item and income taxes </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 items: </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="us-gaap_OtherNonoperatingIncome"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncome" xlink:to="us-gaap_OtherNonoperatingIncome_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xml:lang="en-US"> Other income </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_GainOnRevaluationOfWarrants" xlink:label="NTOX_GainOnRevaluationOfWarrants"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnRevaluationOfWarrants" xlink:to="NTOX_GainOnRevaluationOfWarrants_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_GainOnRevaluationOfWarrants_lbl" xml:lang="en-US"> Gain on revaluation of warrants (Note 11) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_GainOnExpiryOfWarrants" xlink:label="NTOX_GainOnExpiryOfWarrants"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnExpiryOfWarrants" xlink:to="NTOX_GainOnExpiryOfWarrants_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_GainOnExpiryOfWarrants_lbl" xml:lang="en-US"> Gain on expiry of warrants </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_DiscountReceived" xlink:label="NTOX_DiscountReceived"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_DiscountReceived" xlink:to="NTOX_DiscountReceived_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_DiscountReceived_lbl" xml:lang="en-US"> Discount received </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US"> Write-off of amount receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xml:lang="en-US"> Loss before income taxes </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US"> Income taxes </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> Net loss and comprehensive loss </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDiluted" xlink:to="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xml:lang="en-US"> Loss per share - basic and diluted </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xml:lang="en-US"> Weighted-average number of shares outstanding - basic and diluted </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_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_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_2_lbl" xml:lang="en-US"> Loss </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US"> Adjustments to reconcile net loss to net cash provided by operating activities: </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AmortizationOfIntangibleAssets_2_lbl" xml:lang="en-US"> Amortization - intangible assets </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="NTOX_AmortizationForLicenseAgreement_2_lbl" xml:lang="en-US"> Amortization - license agreement </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable" xlink:label="NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable" xlink:to="NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable_lbl" xml:lang="en-US"> Unrealized foreign exchange on license assignment fee payable </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_UnrealizedForeignExchangeOnDueToClinic" xlink:label="NTOX_UnrealizedForeignExchangeOnDueToClinic"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_UnrealizedForeignExchangeOnDueToClinic" xlink:to="NTOX_UnrealizedForeignExchangeOnDueToClinic_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_UnrealizedForeignExchangeOnDueToClinic_lbl" xml:lang="en-US"> Unrealized foreign exchange and expense on due to Clinic </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_2_lbl" xml:lang="en-US"> Write-down of receivables </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpenseRelatedParty_2_lbl" xml:lang="en-US"> Interest accrued on advances from related parties/shareholders </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="NTOX_InterestOnLicenseAssignmentFeePayable_2_lbl" xml:lang="en-US"> Interest accrued on license assignment fee payable </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_DiscountReceivedAndOtherIncome" xlink:label="NTOX_DiscountReceivedAndOtherIncome"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_DiscountReceivedAndOtherIncome" xlink:to="NTOX_DiscountReceivedAndOtherIncome_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_DiscountReceivedAndOtherIncome_lbl" xml:lang="en-US"> Discount received and other income </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_GainOnRevaluationOfDerivativeLiabilities" xlink:label="NTOX_GainOnRevaluationOfDerivativeLiabilities"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnRevaluationOfDerivativeLiabilities" xlink:to="NTOX_GainOnRevaluationOfDerivativeLiabilities_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_GainOnRevaluationOfDerivativeLiabilities_lbl" xml:lang="en-US"> Gain on revaluation of derivative liabilities </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_GainOnRevaluationOfWarrants_2_lbl" xml:lang="en-US"> Gain on revaluation of warrants </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_GainOnExpirationOfWarrants" xlink:label="NTOX_GainOnExpirationOfWarrants"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnExpirationOfWarrants" xlink:to="NTOX_GainOnExpirationOfWarrants_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_GainOnExpirationOfWarrants_lbl" xml:lang="en-US"> Gain on expiration of warrants </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 assets and liabilities: </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="us-gaap_IncreaseDecreaseInReceivables"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReceivables" xlink:to="us-gaap_IncreaseDecreaseInReceivables_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInReceivables_lbl" xml:lang="en-US"> Amounts receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xml:lang="en-US"> Inventory </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_IncreaseDecreaseInSalesTaxReceivable" xlink:label="NTOX_IncreaseDecreaseInSalesTaxReceivable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_IncreaseDecreaseInSalesTaxReceivable" xlink:to="NTOX_IncreaseDecreaseInSalesTaxReceivable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="NTOX_IncreaseDecreaseInSalesTaxReceivable_lbl" xml:lang="en-US"> Sales tax receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/label" 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/2020/elts/us-gaap-2020-01-31.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/label" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xml:lang="en-US"> Due to the Clinic </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 used in operating activities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireMachineryAndEquipment" xlink:label="us-gaap_PaymentsToAcquireMachineryAndEquipment"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireMachineryAndEquipment" xlink:to="us-gaap_PaymentsToAcquireMachineryAndEquipment_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireMachineryAndEquipment_lbl" xml:lang="en-US"> Purchase of office equipment </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US"> Cash acquired from business combination </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 provided by investing activities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US"> Cash Flows From Financing Activities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xml:lang="en-US"> Proceeds from private placements </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Warrants exercised </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt_lbl" xml:lang="en-US"> Advances from related parties/shareholders, net </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 (used in) provided by financing activities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xml:lang="en-US"> Increase in cash during the period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US"> Cash, beginning of period </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2_lbl" xml:lang="en-US"> Cash, end of period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xml:lang="en-US"> Non-cash information </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssued1" xlink:label="us-gaap_StockIssued1"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssued1" xlink:to="us-gaap_StockIssued1_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssued1_lbl" xml:lang="en-US"> Issuance of shares for subscription received in advance </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_WarrantsAtFairValue" xlink:label="NTOX_WarrantsAtFairValue"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WarrantsAtFairValue" xlink:to="NTOX_WarrantsAtFairValue_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_WarrantsAtFairValue_lbl" xml:lang="en-US"> Warrants at a fair value </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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_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/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodValueWarrantsExercised" xlink:label="NTOX_StockIssuedDuringPeriodValueWarrantsExercised"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodValueWarrantsExercised" xlink:to="NTOX_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="NTOX_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xml:lang="en-US"> Warrants exercised </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodSharesWarrantsExercised" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercised"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodSharesWarrantsExercised" xlink:to="NTOX_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xml:lang="en-US"> Warrants exercised, shares </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US"> Shares issued </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Shares issued, shares </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodWarrantsIssued" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssued"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodWarrantsIssued" xlink:to="NTOX_StockIssuedDuringPeriodWarrantsIssued_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssued_lbl" xml:lang="en-US"> Warrants issued (Note 11) </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodWarrantsIssuedShares" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssuedShares"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodWarrantsIssuedShares" xlink:to="NTOX_StockIssuedDuringPeriodWarrantsIssuedShares_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssuedShares_lbl" xml:lang="en-US"> Warrants issued (Note 11), shares </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodValuePurchaseConsideration" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseConsideration"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodValuePurchaseConsideration" xlink:to="NTOX_StockIssuedDuringPeriodValuePurchaseConsideration_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseConsideration_lbl" xml:lang="en-US"> Purchase consideration (Note 5) </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/verboseLabel" 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_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/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xml:lang="en-US"> Company Overview and Basis of Presentation </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US"> Fair Value Measurements </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl" xml:lang="en-US"> Finite-Lived Intangible Assets, Net [Abstract] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAgreementDisclosureTextBlock" xlink:label="NTOX_LicenseAgreementDisclosureTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementDisclosureTextBlock" xlink:to="NTOX_LicenseAgreementDisclosureTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAgreementDisclosureTextBlock_lbl" xml:lang="en-US"> License Agreement, Net </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="us-gaap_BusinessCombinationsAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAbstract" xlink:to="us-gaap_BusinessCombinationsAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xml:lang="en-US"> Business Combinations [Abstract] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationDisclosureTextBlock" xlink:to="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xml:lang="en-US"> Business Combination </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xml:lang="en-US"> Payables and Accruals [Abstract] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_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/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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 and Balances </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_AdvancesFromShareholdersDisclosureTextBlock" xlink:label="NTOX_AdvancesFromShareholdersDisclosureTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AdvancesFromShareholdersDisclosureTextBlock" xlink:to="NTOX_AdvancesFromShareholdersDisclosureTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_AdvancesFromShareholdersDisclosureTextBlock_lbl" xml:lang="en-US"> Advances from Shareholders </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock" xlink:label="NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock" xlink:to="NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock_lbl" xml:lang="en-US"> License Assignment Fee and Accrued Interest Payable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsDisclosureTextBlock" xlink:label="us-gaap_CommitmentsDisclosureTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsDisclosureTextBlock" xlink:to="us-gaap_CommitmentsDisclosureTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsDisclosureTextBlock_lbl" xml:lang="en-US"> Commitments </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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' Deficiency </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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"> Risks and Uncertainties </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsAbstract" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsAbstract"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingChangesAndErrorCorrectionsAbstract" xlink:to="us-gaap_AccountingChangesAndErrorCorrectionsAbstract_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsAbstract_lbl" xml:lang="en-US"> Accounting Changes and Error Corrections [Abstract] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:to="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" xml:lang="en-US"> Accounting Pronouncements </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyDisclosures" xlink:label="us-gaap_LossContingencyDisclosures"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyDisclosures" xlink:to="us-gaap_LossContingencyDisclosures_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyDisclosures_lbl" xml:lang="en-US"> Contingent Liability </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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 Event </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Principles of Consolidation </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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/label" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US"> Fair Value of Financial Instruments </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="us-gaap_BusinessCombinationsPolicy"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsPolicy" xlink:to="us-gaap_BusinessCombinationsPolicy_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xml:lang="en-US"> Business Combination </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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="ntox-20200229.xsd#NTOX_ScheduleOfLicenseAgreementTableTextBlock" xlink:label="NTOX_ScheduleOfLicenseAgreementTableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ScheduleOfLicenseAgreementTableTextBlock" xlink:to="NTOX_ScheduleOfLicenseAgreementTableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ScheduleOfLicenseAgreementTableTextBlock_lbl" xml:lang="en-US"> Schedule of License Agreement </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xml:lang="en-US"> Schedule of Amortization Expense on Intangible Assets </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:to="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xml:lang="en-US"> Schedule of Fair Value Assets Acquired Liabilities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xml:lang="en-US"> Schedule of Intangible Assets Gross Carrying Value </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US"> Schedule of Accounts Payable and Accrued Liabilities </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 Stock Purchase Warrants </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 Stock Options Valuation Assumptions </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xml:lang="en-US"> Purpose of acquiring right percentage </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PreferredSharesExpiration" xlink:label="NTOX_PreferredSharesExpiration"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PreferredSharesExpiration" xlink:to="NTOX_PreferredSharesExpiration_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_PreferredSharesExpiration_lbl" xml:lang="en-US"> Preferred shares expiration </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US"> Shares issued </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US"> Warrants to purchase common stock, shares </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_2_lbl" xml:lang="en-US"> Accumulated deficit </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_WorkingCapitalDeficit" xlink:label="NTOX_WorkingCapitalDeficit"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WorkingCapitalDeficit" xlink:to="NTOX_WorkingCapitalDeficit_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_WorkingCapitalDeficit_lbl" xml:lang="en-US"> Working capital deficiency </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 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xml:lang="en-US"> Estimate of useful life of asset </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DueToRelatedPartiesNoncurrent_2_lbl" xml:lang="en-US"> Accrued and unreimbursed patenting costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TypeOfArrangementAxis_2_lbl" xml:lang="en-US"> Collaborative Arrangement and Arrangement Other than Collaborative [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US"> Gross carrying amount </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xml:lang="en-US"> Accumulated amortization </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Net carrying amount </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xml:lang="en-US"> 2020 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US"> 2021 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xml:lang="en-US"> 2022 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xml:lang="en-US"> 2023 </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xml:lang="en-US"> 2024 </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_2_lbl" xml:lang="en-US"> Total </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xml:lang="en-US"> Option and put agreement </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xml:lang="en-US"> Cash </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xml:lang="en-US"> Accounts receivable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_lbl" xml:lang="en-US"> Inventory </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Goodwill_2_lbl" xml:lang="en-US"> Goodwill </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US"> Trademarks </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements" xlink:to="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements_lbl" xml:lang="en-US"> License agreements </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase" xlink:to="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase_lbl" xml:lang="en-US"> Customer base </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_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/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xml:lang="en-US"> Deferred tax liability </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_lbl" xml:lang="en-US"> Total net assets acquired </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="us-gaap_AccountsPayableTradeCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableTradeCurrent" xlink:to="us-gaap_AccountsPayableTradeCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableTradeCurrent_lbl" xml:lang="en-US"> Trade payables </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US"> Vendor accruals </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_2_lbl" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_TitleOfIndividualAxis_2_lbl" xml:lang="en-US"> Title of Individual [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent" xlink:to="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_lbl" xml:lang="en-US"> Advances payable to related party balance </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US"> Unsecured bear interest rate </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrentAndNoncurrent" xlink:to="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xml:lang="en-US"> Accrued interest payable to related parties </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:to="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl" xml:lang="en-US"> Accounts payable and accrued liabilities related parties </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRelatedPartyDebt" xlink:to="us-gaap_ProceedsFromRelatedPartyDebt_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt_lbl" xml:lang="en-US"> Advances from related party </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfessionalFees" xlink:to="us-gaap_ProfessionalFees_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfessionalFees_2_lbl" xml:lang="en-US"> Consulting fees </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestExpenseRelatedParty_3_lbl" xml:lang="en-US"> Interest expense </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_2_lbl" xml:lang="en-US"> Advances payable to shareholders </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_2_lbl" xml:lang="en-US"> Accrued interest payable to shareholders </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="NTOX_LicenseAssignmentFeePayable_2_lbl" xml:lang="en-US"> License assignment fee payable </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="us-gaap_DebtInstrumentPeriodicPayment"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPeriodicPayment" xlink:to="us-gaap_DebtInstrumentPeriodicPayment_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentPeriodicPayment_lbl" xml:lang="en-US"> Debt periodic payment </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xml:lang="en-US"> Gross proceeds from sale of stock </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_2_lbl" xml:lang="en-US"> Debt interest rate </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="us-gaap_InterestExpenseDebt_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US"> Interest expense </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_LicenseAssignmentFeePayableAndInterestPayable" xlink:label="NTOX_LicenseAssignmentFeePayableAndInterestPayable"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAssignmentFeePayableAndInterestPayable" xlink:to="NTOX_LicenseAssignmentFeePayableAndInterestPayable_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_LicenseAssignmentFeePayableAndInterestPayable_lbl" xml:lang="en-US"> License assignment fee payable and interest payable </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ConsultingAgreementPeriod" xlink:label="NTOX_ConsultingAgreementPeriod"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingAgreementPeriod" xlink:to="NTOX_ConsultingAgreementPeriod_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_ConsultingAgreementPeriod_lbl" xml:lang="en-US"> Consulting agreement period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US"> Remuneration </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Earnings per share </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Share issued during period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Share issued during period, value </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LeaseAndRentalExpense_2_lbl" xml:lang="en-US"> Premises lease rental </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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 share value </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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/2020/elts/us-gaap-2020-01-31.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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xml:lang="en-US"> Common shares acquired </link:label>

<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 shares issued during period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssuedPricePerShare" xlink:to="us-gaap_SharesIssuedPricePerShare_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xml:lang="en-US"> Shares issued price per share </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US"> Proceeds from issuance of common stock </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodSharesWarrantsExercise" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercise"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodSharesWarrantsExercise" xlink:to="NTOX_StockIssuedDuringPeriodSharesWarrantsExercise_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercise_lbl" xml:lang="en-US"> Exercise of warrants shares </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Warrants exercise price per share </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_WarrantsExercisePeriod" xlink:label="NTOX_WarrantsExercisePeriod"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WarrantsExercisePeriod" xlink:to="NTOX_WarrantsExercisePeriod_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_WarrantsExercisePeriod_lbl" xml:lang="en-US"> Warrants exercise period </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingMaturityDate" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstandingMaturityDate" xlink:to="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WarrantsAndRightsOutstandingMaturityDate_lbl" xml:lang="en-US"> Warrants maturity date </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants" xlink:to="NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants_lbl" xml:lang="en-US"> Fair value of stock purchase warrants </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityMeasurementInput" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilityMeasurementInput" xlink:to="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xml:lang="en-US"> Derivative liability, measurement input </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_DerivativeLiabilityExpectedTerm" xlink:label="NTOX_DerivativeLiabilityExpectedTerm"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_DerivativeLiabilityExpectedTerm" xlink:to="NTOX_DerivativeLiabilityExpectedTerm_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_DerivativeLiabilityExpectedTerm_lbl" xml:lang="en-US"> Derivative liability, expected term </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xml:lang="en-US"> Warrants to exercise shares </link:label>

<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 exercise of warrants </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US"> Warrants outstanding of weighted-average remaining contractual life </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockPurchaseWarrantsPricePerShare" xlink:label="NTOX_StockPurchaseWarrantsPricePerShare"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockPurchaseWarrantsPricePerShare" xlink:to="NTOX_StockPurchaseWarrantsPricePerShare_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_StockPurchaseWarrantsPricePerShare_lbl" xml:lang="en-US"> Stock purchase warrants price per share </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Stock purchase warrants, beginning </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_lbl" xml:lang="en-US"> Stock purchase warrants, exercised </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_lbl" xml:lang="en-US"> Stock purchase warrants, issued </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations_lbl" xml:lang="en-US"> Stock purchase warrants, expired </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"> Stock purchase warrants, ending </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_2_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_RangeAxis_2_lbl" xml:lang="en-US"> Statistical Measurement [Axis] </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Expected dividend yield </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 interest rate </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Expected stock price volatility </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"> Expected life of warrants </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_NumberOfPreferredStockIssuedForExchange" xlink:label="NTOX_NumberOfPreferredStockIssuedForExchange"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NumberOfPreferredStockIssuedForExchange" xlink:to="NTOX_NumberOfPreferredStockIssuedForExchange_lbl" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="NTOX_NumberOfPreferredStockIssuedForExchange_lbl" xml:lang="en-US"> Number of preferred stock issued for exchange </link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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 outstanding </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_AdvancesFromShareholdersDisclosureTextBlock_doc" xml:lang="en-US"> Advances from shareholders disclosure [Text Block] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_AmortizationForLicenseAgreement_doc" xml:lang="en-US"> Amortization for license agreement. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_AugustThirtyoneTwoThousandNineteenMember" xlink:label="NTOX_AugustThirtyoneTwoThousandNineteenMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AugustThirtyoneTwoThousandNineteenMember" xlink:to="NTOX_AugustThirtyoneTwoThousandNineteenMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_AugustThirtyoneTwoThousandNineteenMember_doc" xml:lang="en-US"> August 31, 2019 [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_AustralianPatentsMember" xlink:label="NTOX_AustralianPatentsMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AustralianPatentsMember" xlink:to="NTOX_AustralianPatentsMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_AustralianPatentsMember_doc" xml:lang="en-US"> Australian Patent [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_CanadianPatentsMember" xlink:label="NTOX_CanadianPatentsMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_CanadianPatentsMember" xlink:to="NTOX_CanadianPatentsMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_CanadianPatentsMember_doc" xml:lang="en-US"> Canadian Patent [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ChinesePatentMember" xlink:label="NTOX_ChinesePatentMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ChinesePatentMember" xlink:to="NTOX_ChinesePatentMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ChinesePatentMember_doc" xml:lang="en-US"> Chinese Patent [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_CommonStockOneMember" xlink:label="NTOX_CommonStockOneMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_CommonStockOneMember" xlink:to="NTOX_CommonStockOneMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_CommonStockOneMember_doc" xml:lang="en-US"> Common Stock [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultantMember" xlink:to="NTOX_ConsultantMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ConsultantMember_doc" xml:lang="en-US"> Consultant [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingAgreementMember" xlink:to="NTOX_ConsultingAgreementMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ConsultingAgreementMember_doc" xml:lang="en-US"> Consulting Agreement [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingAgreementPeriod" xlink:to="NTOX_ConsultingAgreementPeriod_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ConsultingAgreementPeriod_doc" xml:lang="en-US"> Consulting agreement period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ConsultingFeesManagement" xlink:to="NTOX_ConsultingFeesManagement_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ConsultingFeesManagement_doc" xml:lang="en-US"> Consulting fees management. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_EdgewaterConsultingCorpMember" xlink:label="NTOX_EdgewaterConsultingCorpMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_EdgewaterConsultingCorpMember" xlink:to="NTOX_EdgewaterConsultingCorpMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_EdgewaterConsultingCorpMember_doc" xml:lang="en-US"> Edgewater Consulting Corp [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ExchangeAgreementMember" xlink:label="NTOX_ExchangeAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ExchangeAgreementMember" xlink:to="NTOX_ExchangeAgreementMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ExchangeAgreementMember_doc" xml:lang="en-US"> Exchange Agreement [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_GainOnRevaluationOfDerivativeLiabilities_doc" xml:lang="en-US"> Gain on revaluation of derivative liabilities. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_IncomeLossFromContinuingOperationsBeforeOtherItemsAndIncomeTaxes_doc" xml:lang="en-US"> Income loss from continuing operations before other items and income taxes. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_IncreaseDecreaseInSalesTaxReceivable_doc" xml:lang="en-US"> Increase decrease in sales tax receivable. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_InterestOnLicenseAssignmentFeePayable_doc" xml:lang="en-US"> Interest on license assignment fee payable. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_JulySeventeenTwoThousandAndNineteenFinderMember_doc" xml:lang="en-US"> July 17,2019 - Finder [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAgreementDisclosureTextBlock_doc" xml:lang="en-US"> License Agreement Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementMember" xlink:to="NTOX_LicenseAgreementMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAgreementMember_doc" xml:lang="en-US"> License Agreement [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementNet" xlink:to="NTOX_LicenseAgreementNet_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAgreementNet_doc" xml:lang="en-US"> License agreement, net. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAssignmentFeeAndAccruedInterestPayableTextBlock_doc" xml:lang="en-US"> License Assignment Fee and Accrued Interest Payable [Text Block] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAssignmentFeePayable_doc" xml:lang="en-US"> License assignment fee payable. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAssignmentFeePayableAndInterestPayable_doc" xml:lang="en-US"> License assignment fee payable and interest payable. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_MCMAgreementMember" xlink:label="NTOX_MCMAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_MCMAgreementMember" xlink:to="NTOX_MCMAgreementMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_MCMAgreementMember_doc" xml:lang="en-US"> MCM Agreement [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_MajorShareholderMember" xlink:label="NTOX_MajorShareholderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_MajorShareholderMember" xlink:to="NTOX_MajorShareholderMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_MajorShareholderMember_doc" xml:lang="en-US"> Major Shareholder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_MarchSevenTwoThousandAndNineteenMember" xlink:label="NTOX_MarchSevenTwoThousandAndNineteenMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_MarchSevenTwoThousandAndNineteenMember" xlink:to="NTOX_MarchSevenTwoThousandAndNineteenMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_MarchSevenTwoThousandAndNineteenMember_doc" xml:lang="en-US"> March 7, 2019 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NotoxBioscienceIncMember" xlink:to="NTOX_NotoxBioscienceIncMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_NotoxBioscienceIncMember_doc" xml:lang="en-US"> Notox Bioscience Inc [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_NovemberTwoTwoThousandAndEighteenMember_doc" xml:lang="en-US"> November 2, 2018 [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_OctoberThirtyFirstTwoThousandAndEighteenMember_doc" xml:lang="en-US"> October 31, 2018 [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_OfficeAndMiscellaneousExpenses_doc" xml:lang="en-US"> Office and miscellaneous expenses. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_OtherShareHolderMember" xlink:label="NTOX_OtherShareHolderMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_OtherShareHolderMember" xlink:to="NTOX_OtherShareHolderMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_OtherShareHolderMember_doc" xml:lang="en-US"> Other Shareholder [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PatentingCosts" xlink:to="NTOX_PatentingCosts_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PatentingCosts_doc" xml:lang="en-US"> Patenting costs. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PatentsAbandonedMember" xlink:label="NTOX_PatentsAbandonedMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PatentsAbandonedMember" xlink:to="NTOX_PatentsAbandonedMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PatentsAbandonedMember_doc" xml:lang="en-US"> Patents Abandoned [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PreferredSharesExpiration" xlink:to="NTOX_PreferredSharesExpiration_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PreferredSharesExpiration_doc" xml:lang="en-US"> Preferred shares expiration. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PremisesLeaseMember" xlink:to="NTOX_PremisesLeaseMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PremisesLeaseMember_doc" xml:lang="en-US"> Premises Lease [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PresidentAndCEOMember" xlink:to="NTOX_PresidentAndCEOMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PresidentAndCEOMember_doc" xml:lang="en-US"> President, and CEO [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PresidentAndOtherShareholdersMember_doc" xml:lang="en-US"> President and Other Shareholders [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_PresidentCEOAndFormerCFOMember" xlink:label="NTOX_PresidentCEOAndFormerCFOMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PresidentCEOAndFormerCFOMember" xlink:to="NTOX_PresidentCEOAndFormerCFOMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PresidentCEOAndFormerCFOMember_doc" xml:lang="en-US"> President, CEO, and former CFO [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PresidentCEOAndMajorShareholderMember_doc" xml:lang="en-US"> President, CEO and Major Shareholder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_RelatedPartiesAndMajorShareholdersMember" xlink:label="NTOX_RelatedPartiesAndMajorShareholdersMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_RelatedPartiesAndMajorShareholdersMember" xlink:to="NTOX_RelatedPartiesAndMajorShareholdersMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_RelatedPartiesAndMajorShareholdersMember_doc" xml:lang="en-US"> Related Parties and Major Shareholders [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ScheduleOfLicenseAgreementTableTextBlock_doc" xml:lang="en-US"> Schedule of License Agreement [Table Text Block] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SeptemberSevenTwoThousandAndNineteenMember_doc" xml:lang="en-US"> September 7, 2019 </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SeptemberThirtyTwoThousandAndEighteenFinderMember_doc" xml:lang="en-US"> September 30, 2018 - Finder [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ShareExchangeAgreementMember_doc" xml:lang="en-US"> Share Exchange Agreement [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ShareholderMember" xlink:to="NTOX_ShareholderMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ShareholderMember_doc" xml:lang="en-US"> Shareholder [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedAtOnePointThreeTwoPricePerShareMember" xlink:label="NTOX_SharesToBeIssuedAtOnePointThreeTwoPricePerShareMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedAtOnePointThreeTwoPricePerShareMember" xlink:to="NTOX_SharesToBeIssuedAtOnePointThreeTwoPricePerShareMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedAtOnePointThreeTwoPricePerShareMember_doc" xml:lang="en-US"> Shares to be Issued At US$1.32 Per Share [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedAtOnePointTwoNinePricePerShareMember" xlink:label="NTOX_SharesToBeIssuedAtOnePointTwoNinePricePerShareMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedAtOnePointTwoNinePricePerShareMember" xlink:to="NTOX_SharesToBeIssuedAtOnePointTwoNinePricePerShareMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedAtOnePointTwoNinePricePerShareMember_doc" xml:lang="en-US"> Shares to be Issued At US$1.29 Per Share [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedAtOnePointZeroZeroOnePricePerShareMember" xlink:label="NTOX_SharesToBeIssuedAtOnePointZeroZeroOnePricePerShareMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedAtOnePointZeroZeroOnePricePerShareMember" xlink:to="NTOX_SharesToBeIssuedAtOnePointZeroZeroOnePricePerShareMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedAtOnePointZeroZeroOnePricePerShareMember_doc" xml:lang="en-US"> Shares to be Issued At US$1.00 Per Share [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedAtOnePointZeroZeroPricePerShareMember" xlink:label="NTOX_SharesToBeIssuedAtOnePointZeroZeroPricePerShareMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedAtOnePointZeroZeroPricePerShareMember" xlink:to="NTOX_SharesToBeIssuedAtOnePointZeroZeroPricePerShareMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedAtOnePointZeroZeroPricePerShareMember_doc" xml:lang="en-US"> Shares to be Issued At US$1.00 Per Share [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedMember" xlink:label="NTOX_SharesToBeIssuedMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedMember" xlink:to="NTOX_SharesToBeIssuedMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedMember_doc" xml:lang="en-US"> Shared to be Issued [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_SharesToBeIssuedUponWarrantExerciseMember" xlink:label="NTOX_SharesToBeIssuedUponWarrantExerciseMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SharesToBeIssuedUponWarrantExerciseMember" xlink:to="NTOX_SharesToBeIssuedUponWarrantExerciseMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SharesToBeIssuedUponWarrantExerciseMember_doc" xml:lang="en-US"> Shares to be Issued Upon Warrant Exercise [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercise_doc" xml:lang="en-US"> Exercise of warrants shares. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodSharesWarrantsExercised_doc" xml:lang="en-US"> Warrants exercised, shares. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseOfWarrants_doc" xml:lang="en-US"> Stock purchase warrants. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodValueWarrantsExercised_doc" xml:lang="en-US"> Warrants exercised. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockPurchaseWarrantMember" xlink:label="NTOX_StockPurchaseWarrantMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockPurchaseWarrantMember" xlink:to="NTOX_StockPurchaseWarrantMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockPurchaseWarrantMember_doc" xml:lang="en-US"> Stock Purchase Warrant [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockPurchaseWarrants" xlink:to="NTOX_StockPurchaseWarrants_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockPurchaseWarrants_doc" xml:lang="en-US"> Stock purchase warrants. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockPurchaseWarrantsPricePerShare_doc" xml:lang="en-US"> Stock Purchase Warrants Price Per Share. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockSubscribedInAdvanceCurrent_doc" xml:lang="en-US"> Stock subscribed in advance current. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockSubscribedInAdvanceMember" xlink:label="NTOX_StockSubscribedInAdvanceMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockSubscribedInAdvanceMember" xlink:to="NTOX_StockSubscribedInAdvanceMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockSubscribedInAdvanceMember_doc" xml:lang="en-US"> Stock Subscribed in Advance [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_StockSubscriptionsMember" xlink:label="NTOX_StockSubscriptionsMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_StockSubscriptionsMember" xlink:to="NTOX_StockSubscriptionsMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockSubscriptionsMember_doc" xml:lang="en-US"> Stock Subscriptions [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_SubcoMember" xlink:to="NTOX_SubcoMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_SubcoMember_doc" xml:lang="en-US"> Subco [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_TropicInternationalIncMember_doc" xml:lang="en-US"> Tropic International Inc. [Member]. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TropicSpaIncMember" xlink:to="NTOX_TropicSpaIncMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_TropicSpaIncMember_doc" xml:lang="en-US"> Tropic spa Inc [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TrustAndFilingFees" xlink:to="NTOX_TrustAndFilingFees_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_TrustAndFilingFees_doc" xml:lang="en-US"> Trust and filing fees. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_USDCurrencyMember" xlink:to="NTOX_USDCurrencyMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_USDCurrencyMember_doc" xml:lang="en-US"> USD Currency [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_UnitedStatesPatentMember" xlink:label="NTOX_UnitedStatesPatentMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_UnitedStatesPatentMember" xlink:to="NTOX_UnitedStatesPatentMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_UnitedStatesPatentMember_doc" xml:lang="en-US"> United States Patent [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_UnrealizedForeignExchangeOnDueToClinic_doc" xml:lang="en-US"> Unrealized foreign exchange on due to the Clinic. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_UnrealizedForeignExchangeOnLicenseAssignmentFeePayable_doc" xml:lang="en-US"> Unrealized foreign exchange on license assignment fee payable. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_UnrestrictedStockMember" xlink:label="NTOX_UnrestrictedStockMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_UnrestrictedStockMember" xlink:to="NTOX_UnrestrictedStockMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_UnrestrictedStockMember_doc" xml:lang="en-US"> Unrestricted Stock [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WorkingCapitalDeficit" xlink:to="NTOX_WorkingCapitalDeficit_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_WorkingCapitalDeficit_doc" xml:lang="en-US"> Working Capital Deficit. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_XtheticaIncMember" xlink:label="NTOX_XtheticaIncMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_XtheticaIncMember" xlink:to="NTOX_XtheticaIncMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_XtheticaIncMember_doc" xml:lang="en-US"> Xthetica Inc [Member]. </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ZKCAgreementMember" xlink:label="NTOX_ZKCAgreementMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ZKCAgreementMember" xlink:to="NTOX_ZKCAgreementMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ZKCAgreementMember_doc" xml:lang="en-US"> ZKC Agreement [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_ZoranHoldingCorporationMember" xlink:label="NTOX_ZoranHoldingCorporationMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ZoranHoldingCorporationMember" xlink:to="NTOX_ZoranHoldingCorporationMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ZoranHoldingCorporationMember_doc" xml:lang="en-US"> Zoran Holding Corporation [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ZoranKCorporationMember" xlink:to="NTOX_ZoranKCorporationMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ZoranKCorporationMember_doc" xml:lang="en-US"> Zoran K Corporation [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_PurchaseConsideration" xlink:to="NTOX_PurchaseConsideration_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_PurchaseConsideration_doc" xml:lang="en-US"> Purchase consideration. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_DiscountReceived" xlink:to="NTOX_DiscountReceived_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_DiscountReceived_doc" xml:lang="en-US"> Discount received. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_GainOnRevaluationOfWarrants_doc" xml:lang="en-US"> Gain on revaluation of warrants. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnExpiryOfWarrants" xlink:to="NTOX_GainOnExpiryOfWarrants_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_GainOnExpiryOfWarrants_doc" xml:lang="en-US"> Gain on expiry of warrants. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_DiscountReceivedAndOtherIncome_doc" xml:lang="en-US"> Discount received and other income. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_GainOnExpirationOfWarrants" xlink:to="NTOX_GainOnExpirationOfWarrants_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_GainOnExpirationOfWarrants_doc" xml:lang="en-US"> Gain on expiration of warrants. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodValuePurchaseConsideration_doc" xml:lang="en-US"> Purchase consideration. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_NewCoMember" xlink:to="NTOX_NewCoMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_NewCoMember_doc" xml:lang="en-US"> New Co [Member] </link:label>

<link:loc xlink:type="locator" xlink:href="ntox-20200229.xsd#NTOX_TrademarksLicenceAgreementAndCustomerBaseMember" xlink:label="NTOX_TrademarksLicenceAgreementAndCustomerBaseMember"/>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_TrademarksLicenceAgreementAndCustomerBaseMember" xlink:to="NTOX_TrademarksLicenceAgreementAndCustomerBaseMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_TrademarksLicenceAgreementAndCustomerBaseMember_doc" xml:lang="en-US"> Trademarks licence agreement and customer base [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase" xlink:to="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerBase_doc" xml:lang="en-US"> Customer base. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_CustomerBaseMember" xlink:to="NTOX_CustomerBaseMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_CustomerBaseMember_doc" xml:lang="en-US"> Customer Base [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_AssembledWorkForceMember" xlink:to="NTOX_AssembledWorkForceMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_AssembledWorkForceMember_doc" xml:lang="en-US"> Assembled Workforce [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WarrantsExercisePeriod" xlink:to="NTOX_WarrantsExercisePeriod_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_WarrantsExercisePeriod_doc" xml:lang="en-US"> Warrants exercise period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_ShareissuancesOneMember" xlink:to="NTOX_ShareissuancesOneMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_ShareissuancesOneMember_doc" xml:lang="en-US"> Share issuances One [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssued_doc" xml:lang="en-US"> Stock issued during period warrants issued, </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_StockIssuedDuringPeriodWarrantsIssuedShares_doc" xml:lang="en-US"> Stock issued during period warrants issued, shares. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_JanuaryTwentyFourTwoThousandAndTwentyTwoMember_doc" xml:lang="en-US"> January 24, 2022 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_LicenseAgreementsMember" xlink:to="NTOX_LicenseAgreementsMember_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_LicenseAgreementsMember_doc" xml:lang="en-US"> License Agreements [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_TrademarksLicenseAgreementAndCustomerBaseMember_doc" xml:lang="en-US"> Trademarks, License Agreement and Customer Base [Member] </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLicenseAgreements_doc" xml:lang="en-US"> Business combination recognized identifiable assets acquired and liabilities assumed license agreements. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_DerivativeLiabilityExpectedTerm_doc" xml:lang="en-US"> Derivative liability, expected term. </link:label>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_NumberOfPreferredStockIssuedForExchange_doc" xml:lang="en-US"> Number of preferred stock issued for exchange. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NTOX_WarrantsAtFairValue" xlink:to="NTOX_WarrantsAtFairValue_doc" xlink:type="arc"/>

<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="NTOX_WarrantsAtFairValue_doc" xml:lang="en-US"> Warrants at a fair value. </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 </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 </link:label>

<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>

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Filing Submission 0001493152-20-010201 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Notox Technologies Corp. – ‘10-Q’ for 2/29/20 – ‘EX-101.LAB’

On: Monday, 6/1/20, at 6:16am ET · For: 2/29/20 · Accession #: 1493152-20-10201 · File #: 1-34911

Previous ‘10-Q’: ‘10-Q’ on 1/22/20 for 11/30/19 · Next & Latest: ‘10-Q’ on 7/20/20 for 5/31/20

Quarterly Report — Form 10-Q — Sect. 13 / 15(d) – SEA’34Filing Table of Contents

‘EX-101.LAB’ — XBRL Labels — ntox-20200229_lab

This Exhibit is an XBRL XML File.

Quarterly Report — Form 10-Q — Sect. 13 / 15(d) – SEA’34
Filing Table of Contents