SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

ChromaDex Corp. – ‘10-Q’ for 9/30/23 – ‘EX-101.PRE’

On:  Wednesday, 11/8/23, at 4:01pm ET   ·   For:  9/30/23   ·   Accession #:  1628280-23-37809   ·   File #:  1-37752

Previous ‘10-Q’:  ‘10-Q’ on 8/9/23 for 6/30/23   ·   Next & Latest:  ‘10-Q’ on 5/8/24 for 3/31/24   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

11/08/23  ChromaDex Corp.                   10-Q        9/30/23   68:6.8M                                   Workiva Inc Wde… FA01/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.41M 
 2: EX-10.1     Material Contract                                   HTML     44K 
 3: EX-10.2     Material Contract                                   HTML     27K 
 4: EX-10.3     Material Contract                                   HTML     32K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     24K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     24K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     21K 
13: R1          Cover                                               HTML     73K 
14: R2          Unaudited Condensed Consolidated Balance Sheets     HTML    117K 
15: R3          Unaudited Condensed Consolidated Balance Sheets     HTML     37K 
                (Parenthetical)                                                  
16: R4          Unaudited Condensed Consolidated Statements of      HTML     91K 
                Operations                                                       
17: R5          Unaudited Condensed Consolidated Statements of      HTML     93K 
                Stockholders' Equity                                             
18: R6          Unaudited Condensed Consolidated Statements of      HTML    106K 
                Cash Flows                                                       
19: R7          Unaudited Condensed Consolidated Statements of      HTML     22K 
                Cash Flows (Parenthetical)                                       
20: R8          Nature of Business                                  HTML     23K 
21: R9          Basis of Presentation and Significant Accounting    HTML     26K 
                Policies                                                         
22: R10         Liquidity                                           HTML     25K 
23: R11         Loss Per Share Applicable to Common Stockholders    HTML     40K 
24: R12         Business Segments                                   HTML    236K 
25: R13         Related Party Transactions                          HTML     36K 
26: R14         Inventories                                         HTML     29K 
27: R15         Leases                                              HTML     49K 
28: R16         Share-Based Compensation                            HTML     82K 
29: R17         Commitments and Contingencies                       HTML     67K 
30: R18         Employee Retention Tax Credit                       HTML     24K 
31: R19         Joint Venture Agreement                             HTML     27K 
32: R20         Subsequent Events                                   HTML     23K 
33: R21         Pay vs Performance Disclosure                       HTML     32K 
34: R22         Insider Trading Arrangements                        HTML     26K 
35: R23         Basis of Presentation and Significant Accounting    HTML     30K 
                Policies (Policies)                                              
36: R24         Loss Per Share Applicable to Common Stockholders    HTML     40K 
                (Tables)                                                         
37: R25         Business Segments (Tables)                          HTML    232K 
38: R26         Related Party Transactions (Tables)                 HTML     32K 
39: R27         Inventories (Tables)                                HTML     30K 
40: R28         Leases (Tables)                                     HTML     52K 
41: R29         Share-Based Compensation (Tables)                   HTML     83K 
42: R30         Basis of Presentation and Significant Accounting    HTML     31K 
                Policies (Details)                                               
43: R31         Liquidity (Details)                                 HTML     38K 
44: R32         Loss Per Share Applicable to Common Stockholders    HTML     61K 
                (Details)                                                        
45: R33         Business Segments - Segment Financial Information   HTML     86K 
                (Details)                                                        
46: R34         Business Segments - Disaggregation of Revenue       HTML     79K 
                (Details)                                                        
47: R35         Business Segments - Major Customers (Details)       HTML     41K 
48: R36         Business Segments - Narrative (Details)             HTML     29K 
49: R37         Related Party Transactions - Net Sales and Trade    HTML     36K 
                Receivables (Details)                                            
50: R38         Inventories (Details)                               HTML     30K 
51: R39         Leases - Narrative (Details)                        HTML     29K 
52: R40         Leases - Components of Lease Expense (Details)      HTML     30K 
53: R41         Leases - Operating Lease Additional Information     HTML     24K 
                (Details)                                                        
54: R42         Leases - Future Minimum Lease Payments Under        HTML     45K 
                Operating Leases (Details)                                       
55: R43         Share-Based Compensation - Narrative (Details)      HTML     81K 
56: R44         Share-Based Compensation - Weighted Average         HTML     29K 
                Assumptions for options granted (Details)                        
57: R45         Share-Based Compensation - Activity of Service      HTML     57K 
                Period Based Stock Options (Details)                             
58: R46         Share-Based Compensation - Activity of Restricted   HTML     55K 
                Stock Units and Restricted Stock Awards (Details)                
59: R47         Share-Based Compensation - Share-Based              HTML     32K 
                Compensation Expense (Details)                                   
60: R48         Commitments and Contingencies (Details)             HTML     59K 
61: R49         Employee Retention Tax Credit (Details)             HTML     27K 
62: R50         Joint Venture Agreement (Details)                   HTML     52K 
63: R51         Subsequent Events (Details)                         HTML     25K 
66: XML         IDEA XML File -- Filing Summary                      XML    114K 
64: XML         XBRL Instance -- cdcx-20230930_htm                   XML   1.66M 
65: EXCEL       IDEA Workbook of Financial Report Info              XLSX    114K 
 9: EX-101.CAL  XBRL Calculations -- cdcx-20230930_cal               XML    128K 
10: EX-101.DEF  XBRL Definitions -- cdcx-20230930_def                XML    500K 
11: EX-101.LAB  XBRL Labels -- cdcx-20230930_lab                     XML   1.39M 
12: EX-101.PRE  XBRL Presentations -- cdcx-20230930_pre              XML    807K 
 8: EX-101.SCH  XBRL Schema -- cdcx-20230930                         XSD    135K 
67: JSON        XBRL Instance as JSON Data -- MetaLinks              387±   550K 
68: ZIP         XBRL Zipped Folder -- 0001628280-23-037809-xbrl      Zip    366K 


‘EX-101.PRE’   —   XBRL Presentations — cdcx-20230930_pre


This Exhibit is an XBRL File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with the Workiva Platform -->
<!-- Copyright 2023 Workiva -->
<!-- r:b08d3805-4c8a-4c1b-88ac-7192bc7ad6ef,g:1926f6b6-3172-47a1-a7dc-da42a7ff3d87 -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://cdcx.com/role/Cover" xlink:type="simple" xlink:href="cdcx-20230930.xsd#Cover"/>
<link:presentationLink xlink:role="http://cdcx.com/role/Cover" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CoverAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_5d8f2e9f-c987-4cf5-b364-bafba064e83d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentType_5d8f2e9f-c987-4cf5-b364-bafba064e83d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_2f240feb-aeb6-4a6b-98d6-328f97e3a872" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentQuarterlyReport"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentQuarterlyReport_2f240feb-aeb6-4a6b-98d6-328f97e3a872" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_13273ad1-3966-4bee-b49c-90892c3df9be" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentPeriodEndDate_13273ad1-3966-4bee-b49c-90892c3df9be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_fcef1ede-859d-4699-ae47-8e38e4affa67" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityFileNumber_fcef1ede-859d-4699-ae47-8e38e4affa67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_189e30f8-9fba-4fa3-b23a-56aae5872383" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityRegistrantName_189e30f8-9fba-4fa3-b23a-56aae5872383" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_9aa2c082-069a-4fe2-8475-1fd41051ca22" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityIncorporationStateCountryCode_9aa2c082-069a-4fe2-8475-1fd41051ca22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_f45a1518-47c5-4a22-8f2a-930d43141c05" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityTaxIdentificationNumber_f45a1518-47c5-4a22-8f2a-930d43141c05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_19e0f9da-3a0d-423a-aa05-5ab1ab9ac1d9" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityAddressAddressLine1_19e0f9da-3a0d-423a-aa05-5ab1ab9ac1d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_137abfe8-193e-4fd9-9801-e8a0750cec9e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine2"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityAddressAddressLine2_137abfe8-193e-4fd9-9801-e8a0750cec9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_f038ea9f-1c18-4068-bce2-e430acd5ea1a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityAddressCityOrTown_f038ea9f-1c18-4068-bce2-e430acd5ea1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_6f61f30f-fc14-453d-aa2b-625ff1e40258" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityAddressStateOrProvince_6f61f30f-fc14-453d-aa2b-625ff1e40258" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_e3c96d22-371a-44b7-b873-bee5ea736a0b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityAddressPostalZipCode_e3c96d22-371a-44b7-b873-bee5ea736a0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_6392379c-14a0-47da-8165-951dd2f9b5cf" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_CityAreaCode_6392379c-14a0-47da-8165-951dd2f9b5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_ff888131-871c-43dd-a956-733edd2b9afa" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_LocalPhoneNumber_ff888131-871c-43dd-a956-733edd2b9afa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_964f453a-987b-40da-8c20-7755c4d6252d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_Security12bTitle_964f453a-987b-40da-8c20-7755c4d6252d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_477f86de-c666-418d-928e-77f2bd332877" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_TradingSymbol_477f86de-c666-418d-928e-77f2bd332877" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_35445d4a-d539-4a2b-b3ae-437cf9c78455" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_SecurityExchangeName_35445d4a-d539-4a2b-b3ae-437cf9c78455" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_d153155b-ec83-45f1-9b13-f83042ebed26" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCurrentReportingStatus"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityCurrentReportingStatus_d153155b-ec83-45f1-9b13-f83042ebed26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_efce3336-2397-434e-a495-db34a49f4fd8" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInteractiveDataCurrent"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityInteractiveDataCurrent_efce3336-2397-434e-a495-db34a49f4fd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_5f8dd1eb-94fd-46bc-9db7-171bda2dd483" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFilerCategory"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityFilerCategory_5f8dd1eb-94fd-46bc-9db7-171bda2dd483" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_0ae54373-a7ce-47d7-b125-378c8a309473" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitySmallBusiness"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntitySmallBusiness_0ae54373-a7ce-47d7-b125-378c8a309473" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_111dcfaf-99b1-45bf-97c1-9d1a70424bd6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityEmergingGrowthCompany_111dcfaf-99b1-45bf-97c1-9d1a70424bd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_2fd6bb67-16c9-4114-8f46-c22091b64935" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityShellCompany"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityShellCompany_2fd6bb67-16c9-4114-8f46-c22091b64935" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_b98c47f9-aa86-4415-b56f-367390f13879" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCommonStockSharesOutstanding"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_b98c47f9-aa86-4415-b56f-367390f13879" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_77e5946b-7445-4ec6-88d8-c558c597ffa4" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
<link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_EntityCentralIndexKey_77e5946b-7445-4ec6-88d8-c558c597ffa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_cc3c8799-5ae1-4148-a072-2321c22a7743" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
<link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_AmendmentFlag_cc3c8799-5ae1-4148-a072-2321c22a7743" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_532755c8-4a10-4e81-b494-831ef36d9f9a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CurrentFiscalYearEndDate"/>
<link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_CurrentFiscalYearEndDate_532755c8-4a10-4e81-b494-831ef36d9f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_497cef88-4249-495b-b889-129e1f1d489d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalPeriodFocus"/>
<link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentFiscalPeriodFocus_497cef88-4249-495b-b889-129e1f1d489d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_18a957ec-d889-48ca-8782-c8bb191bc859" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalYearFocus"/>
<link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentFiscalYearFocus_18a957ec-d889-48ca-8782-c8bb191bc859" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_49b0c233-2657-4bc6-b338-e6f88c608000" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentTransitionReport"/>
<link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e10db36-0e0d-481a-a417-c97a09e7ee1b" xlink:to="loc_dei_DocumentTransitionReport_49b0c233-2657-4bc6-b338-e6f88c608000" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedBalanceSheets"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedBalanceSheets" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_e399ad55-8368-4ebc-880d-88fb04d1a670" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_16adba61-fa45-467d-a9d6-6c03d91528c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_e399ad55-8368-4ebc-880d-88fb04d1a670" xlink:to="loc_us-gaap_StatementTable_16adba61-fa45-467d-a9d6-6c03d91528c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_5ef028ce-5fb5-48f1-88ad-dacc653c6c55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_16adba61-fa45-467d-a9d6-6c03d91528c9" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_5ef028ce-5fb5-48f1-88ad-dacc653c6c55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_02ee4f43-b305-45d6-b601-808581bb0dba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_5ef028ce-5fb5-48f1-88ad-dacc653c6c55" xlink:to="loc_us-gaap_RelatedPartyDomain_02ee4f43-b305-45d6-b601-808581bb0dba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrelatedPartyMember_6a93d9a5-77fb-405d-83e4-d11898896c42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonrelatedPartyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_02ee4f43-b305-45d6-b601-808581bb0dba" xlink:to="loc_us-gaap_NonrelatedPartyMember_6a93d9a5-77fb-405d-83e4-d11898896c42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_e8e0b2f1-e56c-49b3-9280-48937c876957" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_16adba61-fa45-467d-a9d6-6c03d91528c9" xlink:to="loc_us-gaap_StatementLineItems_e8e0b2f1-e56c-49b3-9280-48937c876957" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_e8e0b2f1-e56c-49b3-9280-48937c876957" xlink:to="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrentAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_083af0cb-ecb1-4d1a-a62c-5dfc510758fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_083af0cb-ecb1-4d1a-a62c-5dfc510758fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_3900a7b7-8184-4d16-9f9a-b948e90ffbec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_3900a7b7-8184-4d16-9f9a-b948e90ffbec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_d6d3dd40-b06e-4066-9c85-2d36d59650e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryNet"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:to="loc_us-gaap_InventoryNet_d6d3dd40-b06e-4066-9c85-2d36d59650e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_50f23869-0799-4c3e-860c-ba9ca0ec2e0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_50f23869-0799-4c3e-860c-ba9ca0ec2e0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_b5fc1bd3-dedf-43e2-84ca-d0dcb4896b3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4af4acfc-32d9-4dbc-b3d5-eb692a50ecac" xlink:to="loc_us-gaap_AssetsCurrent_b5fc1bd3-dedf-43e2-84ca-d0dcb4896b3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5ab5594c-45d7-483c-87e8-5a4c2b0fce73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5ab5594c-45d7-483c-87e8-5a4c2b0fce73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_66a413a9-ea9c-4375-8a3d-879e99446685" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_66a413a9-ea9c-4375-8a3d-879e99446685" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_5dccb131-6afb-41e7-80f5-658e2c842d9b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_5dccb131-6afb-41e7-80f5-658e2c842d9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c966dbb5-b350-4396-888c-757f8eba15e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c966dbb5-b350-4396-888c-757f8eba15e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e7da93a3-9caf-4334-ba4f-676dbe0c3d03" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3511d91e-5e03-4ea5-a88a-2e232e3a40bf" xlink:to="loc_us-gaap_Assets_e7da93a3-9caf-4334-ba4f-676dbe0c3d03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_e8e0b2f1-e56c-49b3-9280-48937c876957" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_04b44599-0890-436c-83a8-fe1bdfbaa8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_AccountsPayableCurrent_04b44599-0890-436c-83a8-fe1bdfbaa8c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_c210dc84-d16e-4168-90fd-f7cbdd8811d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_c210dc84-d16e-4168-90fd-f7cbdd8811d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_df459d55-7909-4d60-8196-e8be7dbb1cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_df459d55-7909-4d60-8196-e8be7dbb1cb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_c7d32a4f-a93a-4618-a9f7-a572284021f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_c7d32a4f-a93a-4618-a9f7-a572284021f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeCurrent_bd0a2c64-755a-4e80-bc7f-37972abced17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_DeferredIncomeCurrent_bd0a2c64-755a-4e80-bc7f-37972abced17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_5988c277-cbb3-46e5-a6a4-1d6072e24b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7d0574ea-859c-4682-b578-2178311305f5" xlink:to="loc_us-gaap_LiabilitiesCurrent_5988c277-cbb3-46e5-a6a4-1d6072e24b5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_1194e0b8-cc1d-44ba-8e5d-12943ea1bffd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_1194e0b8-cc1d-44ba-8e5d-12943ea1bffd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8597a301-b40f-4ca2-9b9a-4be7e4aff66e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8597a301-b40f-4ca2-9b9a-4be7e4aff66e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_905df2d6-daf4-48d7-84bc-866bf380d47c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_905df2d6-daf4-48d7-84bc-866bf380d47c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_24c75839-8199-49eb-823c-8c6b300cbab8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_Liabilities_24c75839-8199-49eb-823c-8c6b300cbab8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_a064a541-8055-4479-98cc-ec666905c1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_CommitmentsAndContingencies_a064a541-8055-4479-98cc-ec666905c1e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityAbstract"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_a3f5ed29-5123-4829-b376-ec3e1fd0bca4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:to="loc_us-gaap_CommonStockValue_a3f5ed29-5123-4829-b376-ec3e1fd0bca4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_dc1226c9-13b2-4c73-b193-e6c8ff15e3cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:to="loc_us-gaap_AdditionalPaidInCapital_dc1226c9-13b2-4c73-b193-e6c8ff15e3cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9e318da5-e497-4026-8463-04b629259d21" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9e318da5-e497-4026-8463-04b629259d21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax_3d40942a-b5d5-419c-af22-7a941716bfa8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:to="loc_us-gaap_TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax_3d40942a-b5d5-419c-af22-7a941716bfa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_5f409087-4aa4-4687-aff6-cc2ad54472bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_ae17cf89-c323-421d-a36d-cab280541a53" xlink:to="loc_us-gaap_StockholdersEquity_5f409087-4aa4-4687-aff6-cc2ad54472bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_c66c7fb4-8546-49ef-8f9d-0b3731473cbc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_67815784-54ef-47a3-ae31-230855bbaa16" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_c66c7fb4-8546-49ef-8f9d-0b3731473cbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedBalanceSheetsParenthetical"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_eff224b5-26ff-46ab-95cb-1427d799b38b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c7fc376b-d578-4e1b-adb5-c203bcaeaad7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_eff224b5-26ff-46ab-95cb-1427d799b38b" xlink:to="loc_us-gaap_StatementTable_c7fc376b-d578-4e1b-adb5-c203bcaeaad7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6948ec51-424d-4648-aa18-8c21f4c17ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c7fc376b-d578-4e1b-adb5-c203bcaeaad7" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6948ec51-424d-4648-aa18-8c21f4c17ab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_2299df26-580f-4e38-9ae4-ad643e8e509e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6948ec51-424d-4648-aa18-8c21f4c17ab0" xlink:to="loc_us-gaap_RelatedPartyDomain_2299df26-580f-4e38-9ae4-ad643e8e509e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_ee2f89a9-4c73-4a90-a7e4-e857ea6ac0ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_2299df26-580f-4e38-9ae4-ad643e8e509e" xlink:to="loc_us-gaap_RelatedPartyMember_ee2f89a9-4c73-4a90-a7e4-e857ea6ac0ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c7fc376b-d578-4e1b-adb5-c203bcaeaad7" xlink:to="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_9b2b8e7c-be43-4a8b-9274-f302b46b727e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCash"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_RestrictedCash_9b2b8e7c-be43-4a8b-9274-f302b46b727e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_c74ef5cb-72ce-4f35-b661-c035902908ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_c74ef5cb-72ce-4f35-b661-c035902908ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_d5c78a3b-8eff-4ccf-8b11-3179eb998294" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_d5c78a3b-8eff-4ccf-8b11-3179eb998294" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_fce58924-f31f-42c0-9a5e-8c268ca945a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_fce58924-f31f-42c0-9a5e-8c268ca945a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_62de29eb-86f9-4e18-b6a1-355e5eb640aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_62de29eb-86f9-4e18-b6a1-355e5eb640aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_dff31bac-5cac-404f-8002-b65f0277694a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesIssued"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_CommonStockSharesIssued_dff31bac-5cac-404f-8002-b65f0277694a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_18891ef6-8dc3-4567-b339-c2f147f9a07f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0ad5bf3f-079f-4bc7-8aea-ef8d39d33e2f" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_18891ef6-8dc3-4567-b339-c2f147f9a07f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedStatementsofOperations"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofOperations" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_829fb0e0-705a-4bf9-87ad-449b723b7091" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_Revenues_829fb0e0-705a-4bf9-87ad-449b723b7091" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_2b2fa89b-d26f-40ab-9318-197d3e5743fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfRevenue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_CostOfRevenue_2b2fa89b-d26f-40ab-9318-197d3e5743fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_813e607c-6511-4df2-a82a-478482f74d2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_GrossProfit_813e607c-6511-4df2-a82a-478482f74d2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpensesAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_d782f296-2fd8-4cbc-975d-e2582e5d4196" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpense"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:to="loc_us-gaap_SellingAndMarketingExpense_d782f296-2fd8-4cbc-975d-e2582e5d4196" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_d062eb62-ca31-4272-afec-85bdc5ce191b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_d062eb62-ca31-4272-afec-85bdc5ce191b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_8265fbbc-7674-4b00-8eff-f053d1a3439f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_8265fbbc-7674-4b00-8eff-f053d1a3439f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_d68afb54-63c7-484a-bd74-963410d05aec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_33f66a01-c8dc-4cae-9e7e-b5b10cd374ec" xlink:to="loc_us-gaap_OperatingExpenses_d68afb54-63c7-484a-bd74-963410d05aec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_18591164-256f-4d11-9f5b-483abafe17af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_OperatingIncomeLoss_18591164-256f-4d11-9f5b-483abafe17af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_60c11af4-2af5-41c7-94f5-46fc4f2cf030" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_60c11af4-2af5-41c7-94f5-46fc4f2cf030" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct_56b73a20-2167-427a-a7ca-71731cba16aa" xlink:href="cdcx-20230930.xsd#cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_60c11af4-2af5-41c7-94f5-46fc4f2cf030" xlink:to="loc_cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct_56b73a20-2167-427a-a7ca-71731cba16aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_9338b828-1717-4673-b582-7d1592580fa4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestIncomeExpenseNet"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_60c11af4-2af5-41c7-94f5-46fc4f2cf030" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_9338b828-1717-4673-b582-7d1592580fa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_c5fd70b3-128c-4312-b52c-49de35cb9ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_NetIncomeLoss_c5fd70b3-128c-4312-b52c-49de35cb9ea6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_37dbd6a8-ee9d-4ec2-b2f5-88c6d19b643e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_EarningsPerShareBasic_37dbd6a8-ee9d-4ec2-b2f5-88c6d19b643e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_6d5fc9e2-aa6a-4018-95c3-dc95fae07047" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_EarningsPerShareDiluted_6d5fc9e2-aa6a-4018-95c3-dc95fae07047" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_73f6c63c-607c-410c-9876-4d5e3ee1c056" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_73f6c63c-607c-410c-9876-4d5e3ee1c056" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_bd261e54-a7f6-46d0-8590-d861f05c7b84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_88b17c6f-2da9-4dd0-81d5-e6c186b785a6" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_bd261e54-a7f6-46d0-8590-d861f05c7b84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofStockholdersEquity" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedStatementsofStockholdersEquity"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofStockholdersEquity" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_8521dfa4-126a-4a23-98fe-16b3ed77c727" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_daf3c3ca-cebe-48a6-851e-0580af160b87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_8521dfa4-126a-4a23-98fe-16b3ed77c727" xlink:to="loc_us-gaap_StatementTable_daf3c3ca-cebe-48a6-851e-0580af160b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_a6fc4ab9-34eb-4611-be2d-f0593a29e2f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_daf3c3ca-cebe-48a6-851e-0580af160b87" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_a6fc4ab9-34eb-4611-be2d-f0593a29e2f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_a6fc4ab9-34eb-4611-be2d-f0593a29e2f1" xlink:to="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_2c8b75a4-af70-44b9-a58d-7733c651c750" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:to="loc_us-gaap_CommonStockMember_2c8b75a4-af70-44b9-a58d-7733c651c750" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_be14b58b-57f6-4ee9-9709-46283046db16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_be14b58b-57f6-4ee9-9709-46283046db16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_fcac5e36-20cd-45e4-bf43-59e1b7c88738" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:to="loc_us-gaap_RetainedEarningsMember_fcac5e36-20cd-45e4-bf43-59e1b7c88738" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_CumulativeTranslationAdjustmentsMember_3047445d-b9c2-4f97-8363-201dd7f9e3cf" xlink:href="cdcx-20230930.xsd#cdcx_CumulativeTranslationAdjustmentsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_10f71da3-26a8-42bf-9cf3-c75f80c909b8" xlink:to="loc_cdcx_CumulativeTranslationAdjustmentsMember_3047445d-b9c2-4f97-8363-201dd7f9e3cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_b1c4e5bd-69e2-47b5-830d-c6e8b6d34eb0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_daf3c3ca-cebe-48a6-851e-0580af160b87" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_b1c4e5bd-69e2-47b5-830d-c6e8b6d34eb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7ad1647f-9ff9-4bc7-813c-96fe3dd1d961" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_b1c4e5bd-69e2-47b5-830d-c6e8b6d34eb0" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7ad1647f-9ff9-4bc7-813c-96fe3dd1d961" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_93be5004-567b-45a2-aa99-9cfd52744ab8" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7ad1647f-9ff9-4bc7-813c-96fe3dd1d961" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_93be5004-567b-45a2-aa99-9cfd52744ab8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5d8cb2a3-54d6-4557-b25d-aec0a5e91319" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_daf3c3ca-cebe-48a6-851e-0580af160b87" xlink:to="loc_us-gaap_StatementLineItems_5d8cb2a3-54d6-4557-b25d-aec0a5e91319" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdateExtensibleList_680584d2-d003-4d24-a22c-14f79b385315" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingStandardsUpdateExtensibleList"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5d8cb2a3-54d6-4557-b25d-aec0a5e91319" xlink:to="loc_us-gaap_AccountingStandardsUpdateExtensibleList_680584d2-d003-4d24-a22c-14f79b385315" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5d8cb2a3-54d6-4557-b25d-aec0a5e91319" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_664b7e52-c5cf-41b6-b544-290bc3df930a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesIssued"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_SharesIssued_664b7e52-c5cf-41b6-b544-290bc3df930a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_809ef023-4149-4c0f-92dc-cd078cbdb85c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_StockholdersEquity_809ef023-4149-4c0f-92dc-cd078cbdb85c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_038da1dc-c897-48e9-97a5-6211c67893c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_038da1dc-c897-48e9-97a5-6211c67893c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_b19f4785-838f-42c0-9066-4bc680b28430" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_b19f4785-838f-42c0-9066-4bc680b28430" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_f1d55c37-6bfc-45f4-a587-02c77a2bb131" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_f1d55c37-6bfc-45f4-a587-02c77a2bb131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_247fbc84-1180-4a41-b99b-4b3432cadaab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_247fbc84-1180-4a41-b99b-4b3432cadaab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6f7a4a33-f5b0-4e8c-bd0b-e4c024fe2966" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_NetIncomeLoss_6f7a4a33-f5b0-4e8c-bd0b-e4c024fe2966" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_899edf13-bb2c-4b63-8240-204d6ce3b6c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesIssued"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_SharesIssued_899edf13-bb2c-4b63-8240-204d6ce3b6c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_14037a93-9abd-4b79-8ea1-329ca67e4201" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_90775149-4ab8-497b-b7c8-f60e20ccbd9b" xlink:to="loc_us-gaap_StockholdersEquity_14037a93-9abd-4b79-8ea1-329ca67e4201" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedStatementsofCashFlows"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_9d6e7c64-ac4f-4095-bc4c-27fff467459a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_2cc78ca9-fe64-4f2b-9fb4-10f3435396fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d6e7c64-ac4f-4095-bc4c-27fff467459a" xlink:to="loc_us-gaap_StatementTable_2cc78ca9-fe64-4f2b-9fb4-10f3435396fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_1ca930c0-195a-4c36-983a-a46f38c4e61b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2cc78ca9-fe64-4f2b-9fb4-10f3435396fe" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_1ca930c0-195a-4c36-983a-a46f38c4e61b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7697291f-f9f5-4807-b462-8a36849ef1ce" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_1ca930c0-195a-4c36-983a-a46f38c4e61b" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7697291f-f9f5-4807-b462-8a36849ef1ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_a55e55d8-b796-4de8-b6f8-6731e257976a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_7697291f-f9f5-4807-b462-8a36849ef1ce" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_a55e55d8-b796-4de8-b6f8-6731e257976a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2cc78ca9-fe64-4f2b-9fb4-10f3435396fe" xlink:to="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_5d1db073-6dd2-452e-a85f-7ab19a6f3870" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_5d1db073-6dd2-452e-a85f-7ab19a6f3870" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6cd1508b-fe38-4d3d-ac23-8d7f05714616" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_5d1db073-6dd2-452e-a85f-7ab19a6f3870" xlink:to="loc_us-gaap_NetIncomeLoss_6cd1508b-fe38-4d3d-ac23-8d7f05714616" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_5d1db073-6dd2-452e-a85f-7ab19a6f3870" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_ced0aeb2-ba12-4b15-8a7c-b403f96213bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_Depreciation_ced0aeb2-ba12-4b15-8a7c-b403f96213bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_8afd853c-9e67-47f2-acac-83d2cdab5f6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_8afd853c-9e67-47f2-acac-83d2cdab5f6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_0b1a2808-f558-45d0-b854-beffd2985589" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_0b1a2808-f558-45d0-b854-beffd2985589" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_fda8d0a1-e1a5-4ad9-88a7-de308b9a6e47" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_ShareBasedCompensation_fda8d0a1-e1a5-4ad9-88a7-de308b9a6e47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_668690a2-dc2e-43b8-9148-ed296c27cfef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_668690a2-dc2e-43b8-9148-ed296c27cfef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_e4354910-66aa-417a-9703-dda5a92aef15" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_e4354910-66aa-417a-9703-dda5a92aef15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_27e36434-fc17-4b71-b8ca-c40effe6da36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNoncashIncomeExpense"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_27e36434-fc17-4b71-b8ca-c40effe6da36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_351968c0-d709-4c78-b61b-5f03082b0d47" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_17e0c6b2-1738-4cb4-baa0-92f2c4bdee6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherReceivables"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_17e0c6b2-1738-4cb4-baa0-92f2c4bdee6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_f4f81138-98c4-489f-b7bf-d258eed201ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInInventories"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_f4f81138-98c4-489f-b7bf-d258eed201ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ImplementationCostsForCloudComputingArrangement_6d2b93f8-4714-451f-8371-c3ddba23d159" xlink:href="cdcx-20230930.xsd#cdcx_ImplementationCostsForCloudComputingArrangement"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_cdcx_ImplementationCostsForCloudComputingArrangement_6d2b93f8-4714-451f-8371-c3ddba23d159" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_a215e79f-4cff-4b48-801c-97582aa6f4bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_a215e79f-4cff-4b48-801c-97582aa6f4bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_649e4309-ff97-4887-855b-a952dd0f30e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_649e4309-ff97-4887-855b-a952dd0f30e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_5107fef1-0853-4791-8a7f-e2f43f698c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_5107fef1-0853-4791-8a7f-e2f43f698c1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_4f86f467-318b-46a2-a5ca-de49a2104cb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_4f86f467-318b-46a2-a5ca-de49a2104cb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_bf959310-8b4c-402e-8b32-93ab70cc250e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_bf959310-8b4c-402e-8b32-93ab70cc250e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_521e750c-9985-4c6a-82d9-d4c304209d60" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_e5719d6d-7d8e-4acd-a556-81ed52285eaa" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_521e750c-9985-4c6a-82d9-d4c304209d60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_497bb8d3-c810-46db-969b-73144f50e9ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_5d1db073-6dd2-452e-a85f-7ab19a6f3870" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_497bb8d3-c810-46db-969b-73144f50e9ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4b5061c7-4536-4abd-b9a1-ccfee4d123bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4b5061c7-4536-4abd-b9a1-ccfee4d123bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_PurchasesOfLeaseholdImprovementsAndEquipment_5f027964-79d9-4738-ac32-8ce84b47b9ec" xlink:href="cdcx-20230930.xsd#cdcx_PurchasesOfLeaseholdImprovementsAndEquipment"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4b5061c7-4536-4abd-b9a1-ccfee4d123bd" xlink:to="loc_cdcx_PurchasesOfLeaseholdImprovementsAndEquipment_5f027964-79d9-4738-ac32-8ce84b47b9ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ProceedsFromTheSaleOfLeaseholdImprovementsAndEquipmentNet_c532df79-6a4a-4e8b-9025-ce1d2d74027b" xlink:href="cdcx-20230930.xsd#cdcx_ProceedsFromTheSaleOfLeaseholdImprovementsAndEquipmentNet"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4b5061c7-4536-4abd-b9a1-ccfee4d123bd" xlink:to="loc_cdcx_ProceedsFromTheSaleOfLeaseholdImprovementsAndEquipmentNet_c532df79-6a4a-4e8b-9025-ce1d2d74027b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e942cb7e-d99f-43f3-a8db-e11a32078a8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4b5061c7-4536-4abd-b9a1-ccfee4d123bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e942cb7e-d99f-43f3-a8db-e11a32078a8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_ce53e112-f8ff-437d-b814-f149b2cf4f28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_ce53e112-f8ff-437d-b814-f149b2cf4f28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_d1cc0bde-4f1f-4405-882e-91a84e627e07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_ce53e112-f8ff-437d-b814-f149b2cf4f28" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_d1cc0bde-4f1f-4405-882e-91a84e627e07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_696a9ae4-e3fd-4480-b78b-d29ef994f244" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_ce53e112-f8ff-437d-b814-f149b2cf4f28" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_696a9ae4-e3fd-4480-b78b-d29ef994f244" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2d750ad2-dfee-4bf2-89e4-234232b8af44" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_ce53e112-f8ff-437d-b814-f149b2cf4f28" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2d750ad2-dfee-4bf2-89e4-234232b8af44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b57fd6af-c69c-4d8b-9a8f-cace2fe4582e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b57fd6af-c69c-4d8b-9a8f-cace2fe4582e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1444087f-1433-4c8d-9af3-10e367704dde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1444087f-1433-4c8d-9af3-10e367704dde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e17e45ea-0bc3-4209-9412-e92db434857c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e17e45ea-0bc3-4209-9412-e92db434857c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_9079225a-4542-4722-b460-39e75a924f3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_17adf9d0-b773-410f-87c4-a2106a9a56df" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_9079225a-4542-4722-b460-39e75a924f3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_0654a9b5-fdc7-4d1e-9ccf-b195022731be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeasePayments"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_9079225a-4542-4722-b460-39e75a924f3e" xlink:to="loc_us-gaap_OperatingLeasePayments_0654a9b5-fdc7-4d1e-9ccf-b195022731be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_SupplementalScheduleOfNoncashOperatingActivityAbstract_d4943bce-2f52-446e-b0e7-11285cd28329" xlink:href="cdcx-20230930.xsd#cdcx_SupplementalScheduleOfNoncashOperatingActivityAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_9079225a-4542-4722-b460-39e75a924f3e" xlink:to="loc_cdcx_SupplementalScheduleOfNoncashOperatingActivityAbstract_d4943bce-2f52-446e-b0e7-11285cd28329" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f2a2b880-06bf-422e-9b0c-43f390e1b53d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cdcx_SupplementalScheduleOfNoncashOperatingActivityAbstract_d4943bce-2f52-446e-b0e7-11285cd28329" xlink:to="loc_us-gaap_StockholdersEquity_f2a2b880-06bf-422e-9b0c-43f390e1b53d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofCashFlowsParenthetical" xlink:type="simple" xlink:href="cdcx-20230930.xsd#UnauditedCondensedConsolidatedStatementsofCashFlowsParenthetical"/>
<link:presentationLink xlink:role="http://cdcx.com/role/UnauditedCondensedConsolidatedStatementsofCashFlowsParenthetical" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_0556790d-5ee2-4028-ab19-b8adefff44fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_d947d7f7-84bd-47e6-9642-c62263f4f5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCash"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0556790d-5ee2-4028-ab19-b8adefff44fe" xlink:to="loc_us-gaap_RestrictedCash_d947d7f7-84bd-47e6-9642-c62263f4f5fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/NatureofBusiness" xlink:type="simple" xlink:href="cdcx-20230930.xsd#NatureofBusiness"/>
<link:presentationLink xlink:role="http://cdcx.com/role/NatureofBusiness" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_93d64ca6-6e7c-4119-b506-96344eadb019" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NatureOfOperations_ecb2b702-8d81-4d6a-a031-769792e0a52d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NatureOfOperations"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_93d64ca6-6e7c-4119-b506-96344eadb019" xlink:to="loc_us-gaap_NatureOfOperations_ecb2b702-8d81-4d6a-a031-769792e0a52d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPolicies" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BasisofPresentationandSignificantAccountingPolicies"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPolicies" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_67eddfa8-b120-43da-ae65-597bc0309a97" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_763d1982-3121-43ff-9ad2-1ffd65d7930a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_67eddfa8-b120-43da-ae65-597bc0309a97" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_763d1982-3121-43ff-9ad2-1ffd65d7930a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/Liquidity" xlink:type="simple" xlink:href="cdcx-20230930.xsd#Liquidity"/>
<link:presentationLink xlink:role="http://cdcx.com/role/Liquidity" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_83b0961e-72ac-4f7a-9453-ae1ac6713dcc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubstantialDoubtAboutGoingConcernTextBlock_d976d53e-4e37-4c71-9ef9-3f01aee2d8e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubstantialDoubtAboutGoingConcernTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_83b0961e-72ac-4f7a-9453-ae1ac6713dcc" xlink:to="loc_us-gaap_SubstantialDoubtAboutGoingConcernTextBlock_d976d53e-4e37-4c71-9ef9-3f01aee2d8e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholders" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LossPerShareApplicabletoCommonStockholders"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholders" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_ad97fa60-6b38-4212-a473-33ab8f588074" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_c36faefa-3c93-45e0-a476-74a5e1cbb174" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_ad97fa60-6b38-4212-a473-33ab8f588074" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_c36faefa-3c93-45e0-a476-74a5e1cbb174" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegments" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegments"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegments" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_37174a7b-82d3-487d-8939-499e44a938a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_3916be5f-1b11-4943-bef8-a9c5b8c831f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_37174a7b-82d3-487d-8939-499e44a938a6" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_3916be5f-1b11-4943-bef8-a9c5b8c831f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/RelatedPartyTransactions" xlink:type="simple" xlink:href="cdcx-20230930.xsd#RelatedPartyTransactions"/>
<link:presentationLink xlink:role="http://cdcx.com/role/RelatedPartyTransactions" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_b3acd765-8f1b-4e18-a60d-e4e8b1227ede" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_8ab97472-c5a4-4013-8016-dc2fa09e2281" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_b3acd765-8f1b-4e18-a60d-e4e8b1227ede" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_8ab97472-c5a4-4013-8016-dc2fa09e2281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/Inventories" xlink:type="simple" xlink:href="cdcx-20230930.xsd#Inventories"/>
<link:presentationLink xlink:role="http://cdcx.com/role/Inventories" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_9707eebe-2e91-4014-a9b0-bf8d1a01aa18" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_f5ef7dbf-e6a1-432e-96d0-c644585135ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_9707eebe-2e91-4014-a9b0-bf8d1a01aa18" xlink:to="loc_us-gaap_InventoryDisclosureTextBlock_f5ef7dbf-e6a1-432e-96d0-c644585135ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/Leases" xlink:type="simple" xlink:href="cdcx-20230930.xsd#Leases"/>
<link:presentationLink xlink:role="http://cdcx.com/role/Leases" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_85bdca0b-6bf9-4512-92b1-caf589121ec9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_5546e7c8-c8b0-4dad-a02a-80b798e2556c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeasesTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_85bdca0b-6bf9-4512-92b1-caf589121ec9" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_5546e7c8-c8b0-4dad-a02a-80b798e2556c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensation" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensation"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensation" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_caeba98a-13dc-4b23-91b8-d35797223fd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_5b64e736-14c6-43ae-9b34-f23dbc9ace41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_caeba98a-13dc-4b23-91b8-d35797223fd7" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_5b64e736-14c6-43ae-9b34-f23dbc9ace41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="cdcx-20230930.xsd#CommitmentsandContingencies"/>
<link:presentationLink xlink:role="http://cdcx.com/role/CommitmentsandContingencies" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55f780f1-dbb4-43c6-97e4-97a45972651b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsDisclosureTextBlock_36092af8-b2c3-4d31-81cf-2e67091b7ea2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55f780f1-dbb4-43c6-97e4-97a45972651b" xlink:to="loc_us-gaap_CommitmentsDisclosureTextBlock_36092af8-b2c3-4d31-81cf-2e67091b7ea2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/EmployeeRetentionTaxCredit" xlink:type="simple" xlink:href="cdcx-20230930.xsd#EmployeeRetentionTaxCredit"/>
<link:presentationLink xlink:role="http://cdcx.com/role/EmployeeRetentionTaxCredit" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_930d943e-7c66-4c42-9afb-5abe0e68606e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_EmployeeRetentionTaxCreditTextBlock_52ed9b59-9527-4f12-ab2a-f6bc7dc449e7" xlink:href="cdcx-20230930.xsd#cdcx_EmployeeRetentionTaxCreditTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_930d943e-7c66-4c42-9afb-5abe0e68606e" xlink:to="loc_cdcx_EmployeeRetentionTaxCreditTextBlock_52ed9b59-9527-4f12-ab2a-f6bc7dc449e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/JointVentureAgreement" xlink:type="simple" xlink:href="cdcx-20230930.xsd#JointVentureAgreement"/>
<link:presentationLink xlink:role="http://cdcx.com/role/JointVentureAgreement" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_20ed21c6-b7d4-41b8-8413-d96bb7fde76b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_f8884c81-923d-4b11-a1e8-667389fb42c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_20ed21c6-b7d4-41b8-8413-d96bb7fde76b" xlink:to="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_f8884c81-923d-4b11-a1e8-667389fb42c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/SubsequentEvents" xlink:type="simple" xlink:href="cdcx-20230930.xsd#SubsequentEvents"/>
<link:presentationLink xlink:role="http://cdcx.com/role/SubsequentEvents" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_e04d0356-364e-477f-8e92-4f608bf61a14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_593c7f6e-1c28-4f75-bb0b-703f844004a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventsTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_e04d0356-364e-477f-8e92-4f608bf61a14" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_593c7f6e-1c28-4f75-bb0b-703f844004a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BasisofPresentationandSignificantAccountingPoliciesPolicies"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_daaeec73-73f6-4533-b76d-8e5ecfa6c23b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_095cfc83-3c2b-4f2e-bf32-aea4931b64e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_daaeec73-73f6-4533-b76d-8e5ecfa6c23b" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_095cfc83-3c2b-4f2e-bf32-aea4931b64e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_84d9fbda-2ff8-4c92-a8f1-b5b2f3c3a14f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConsolidationPolicyTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_daaeec73-73f6-4533-b76d-8e5ecfa6c23b" xlink:to="loc_us-gaap_ConsolidationPolicyTextBlock_84d9fbda-2ff8-4c92-a8f1-b5b2f3c3a14f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_c43c208b-bc6e-4c3c-b140-e0838ac52f39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_daaeec73-73f6-4533-b76d-8e5ecfa6c23b" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_c43c208b-bc6e-4c3c-b140-e0838ac52f39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholdersTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LossPerShareApplicabletoCommonStockholdersTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholdersTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_bf510860-d314-4588-b629-993b4f5273df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTextBlock_ad8b2d03-2726-477b-aba5-2fdfed2c73e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_bf510860-d314-4588-b629-993b4f5273df" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTextBlock_ad8b2d03-2726-477b-aba5-2fdfed2c73e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegmentsTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegmentsTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegmentsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_f8fe2e81-8695-4ecc-a3cd-7f6e437861f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_d07b6142-fda1-46bd-96df-32851871e326" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_f8fe2e81-8695-4ecc-a3cd-7f6e437861f3" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_d07b6142-fda1-46bd-96df-32851871e326" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock_db51aaff-b2cb-4a46-9958-0762476fcc8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_f8fe2e81-8695-4ecc-a3cd-7f6e437861f3" xlink:to="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock_db51aaff-b2cb-4a46-9958-0762476fcc8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_7fc45005-e445-4d98-9a79-4612991f8202" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_f8fe2e81-8695-4ecc-a3cd-7f6e437861f3" xlink:to="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_7fc45005-e445-4d98-9a79-4612991f8202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/RelatedPartyTransactionsTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#RelatedPartyTransactionsTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/RelatedPartyTransactionsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_2e1e0f01-60ce-446e-9c82-6021c326009c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_102114ef-e05d-4804-bb6f-6ff73510b264" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_2e1e0f01-60ce-446e-9c82-6021c326009c" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_102114ef-e05d-4804-bb6f-6ff73510b264" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/InventoriesTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#InventoriesTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/InventoriesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_905a39e0-9e3c-49a0-98a9-8cdbf00a41aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_46c5a2c5-d260-42a3-9e5c-b4a6f975e8e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_905a39e0-9e3c-49a0-98a9-8cdbf00a41aa" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_46c5a2c5-d260-42a3-9e5c-b4a6f975e8e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_88505b76-edf7-4e81-a6c0-5dab701f38b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_285cc6ea-7818-4c29-b37c-f37942ce509a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseCostTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_88505b76-edf7-4e81-a6c0-5dab701f38b3" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_285cc6ea-7818-4c29-b37c-f37942ce509a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ScheduleOfOperatingLeaseAdditionalLeaseInformationTableTextBlock_1e9e7fee-4e05-4bbc-ab8e-3d7b54210a51" xlink:href="cdcx-20230930.xsd#cdcx_ScheduleOfOperatingLeaseAdditionalLeaseInformationTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_88505b76-edf7-4e81-a6c0-5dab701f38b3" xlink:to="loc_cdcx_ScheduleOfOperatingLeaseAdditionalLeaseInformationTableTextBlock_1e9e7fee-4e05-4bbc-ab8e-3d7b54210a51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_98dfdb2e-0c34-464d-aea7-cfb6d0cbe8e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_88505b76-edf7-4e81-a6c0-5dab701f38b3" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_98dfdb2e-0c34-464d-aea7-cfb6d0cbe8e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationTables" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationTables"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3c09482f-09cc-496d-840c-ae13b9072e56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_320a9dbc-7ae6-4b4a-b9dd-c6e3c1b07896" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3c09482f-09cc-496d-840c-ae13b9072e56" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_320a9dbc-7ae6-4b4a-b9dd-c6e3c1b07896" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1e43ea14-da6f-4385-96c9-23983264a952" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3c09482f-09cc-496d-840c-ae13b9072e56" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1e43ea14-da6f-4385-96c9-23983264a952" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_2b832661-53b8-4554-8195-21f1dd49524d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3c09482f-09cc-496d-840c-ae13b9072e56" xlink:to="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_2b832661-53b8-4554-8195-21f1dd49524d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_c6e639e1-3a93-4e74-9ad1-503ad7ac4100" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3c09482f-09cc-496d-840c-ae13b9072e56" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_c6e639e1-3a93-4e74-9ad1-503ad7ac4100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BasisofPresentationandSignificantAccountingPoliciesDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BasisofPresentationandSignificantAccountingPoliciesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_a54a6dee-d22c-4071-b0b2-3f240aef440c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_cd192587-a121-4596-b03b-a429a3420bd6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_a54a6dee-d22c-4071-b0b2-3f240aef440c" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_cd192587-a121-4596-b03b-a429a3420bd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_a68f5d89-c092-4303-a739-b57b902584cc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_cd192587-a121-4596-b03b-a429a3420bd6" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_a68f5d89-c092-4303-a739-b57b902584cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4f2afee6-7ec8-4f51-9076-27ea9c283a26" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_a68f5d89-c092-4303-a739-b57b902584cc" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4f2afee6-7ec8-4f51-9076-27ea9c283a26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_08376671-f352-435c-8236-4ef2f6f6b814" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4f2afee6-7ec8-4f51-9076-27ea9c283a26" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_08376671-f352-435c-8236-4ef2f6f6b814" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_c1e4db83-3569-4e1e-9308-67b0272b6c6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_cd192587-a121-4596-b03b-a429a3420bd6" xlink:to="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_c1e4db83-3569-4e1e-9308-67b0272b6c6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_4b7910b2-4be4-4723-8d94-ec1a1425d7df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_c1e4db83-3569-4e1e-9308-67b0272b6c6f" xlink:to="loc_us-gaap_StockholdersEquity_4b7910b2-4be4-4723-8d94-ec1a1425d7df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LiquidityDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LiquidityDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LiquidityDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_f67b8249-6b83-4358-9a8a-5fc8ec90aa6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_cd335903-fc0e-4c81-953e-7ddfb11ea947" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_f67b8249-6b83-4358-9a8a-5fc8ec90aa6b" xlink:to="loc_us-gaap_NetIncomeLoss_cd335903-fc0e-4c81-953e-7ddfb11ea947" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_476193cc-d613-47b1-b119-bd88f19ac3b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_f67b8249-6b83-4358-9a8a-5fc8ec90aa6b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_476193cc-d613-47b1-b119-bd88f19ac3b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_12406b86-b862-4cf1-b7ca-9f24678d5f42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_f67b8249-6b83-4358-9a8a-5fc8ec90aa6b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_12406b86-b862-4cf1-b7ca-9f24678d5f42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholdersDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LossPerShareApplicabletoCommonStockholdersDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LossPerShareApplicabletoCommonStockholdersDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_11af3d18-e003-4b69-8c6a-7b9be4130c8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cdc272a8-f65b-4aab-9f6b-6ee9640a51e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_11af3d18-e003-4b69-8c6a-7b9be4130c8e" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cdc272a8-f65b-4aab-9f6b-6ee9640a51e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0eb9954d-942c-41ee-8a96-0fcc16c69950" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cdc272a8-f65b-4aab-9f6b-6ee9640a51e3" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0eb9954d-942c-41ee-8a96-0fcc16c69950" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_52955c5e-784d-41c7-ac79-4cf2f6d9bf66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0eb9954d-942c-41ee-8a96-0fcc16c69950" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_52955c5e-784d-41c7-ac79-4cf2f6d9bf66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_StockOptionsMember_38a58bf6-2e7b-474e-b4c2-f6bd5e2c3f87" xlink:href="cdcx-20230930.xsd#cdcx_StockOptionsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_52955c5e-784d-41c7-ac79-4cf2f6d9bf66" xlink:to="loc_cdcx_StockOptionsMember_38a58bf6-2e7b-474e-b4c2-f6bd5e2c3f87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cdc272a8-f65b-4aab-9f6b-6ee9640a51e3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_d2736606-b6da-46e5-9f11-ccf2d48847a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_us-gaap_NetIncomeLoss_d2736606-b6da-46e5-9f11-ccf2d48847a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_36a3094e-2a7f-47c4-8e18-042f2d52f77f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_us-gaap_EarningsPerShareBasic_36a3094e-2a7f-47c4-8e18-042f2d52f77f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_94da0e50-5c12-4d14-a88d-bbc444cf3b7f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_us-gaap_EarningsPerShareDiluted_94da0e50-5c12-4d14-a88d-bbc444cf3b7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4c3b8cff-4ddb-42a4-8858-9465f8362b31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4c3b8cff-4ddb-42a4-8858-9465f8362b31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7888039e-41bf-4e1f-909a-a3f8749f6b07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7888039e-41bf-4e1f-909a-a3f8749f6b07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AntidilutiveSecuritiesAbstract_682789d9-165f-4bca-b647-efc7abc59d24" xlink:href="cdcx-20230930.xsd#cdcx_AntidilutiveSecuritiesAbstract"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_cdcx_AntidilutiveSecuritiesAbstract_682789d9-165f-4bca-b647-efc7abc59d24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6d829991-4f95-40d1-8baf-fb2f4b9e05fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cdcx_AntidilutiveSecuritiesAbstract_682789d9-165f-4bca-b647-efc7abc59d24" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6d829991-4f95-40d1-8baf-fb2f4b9e05fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesRestrictedStock_dfcc98d8-47a2-4c9d-87ba-e0313af366be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesRestrictedStock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cdcx_AntidilutiveSecuritiesAbstract_682789d9-165f-4bca-b647-efc7abc59d24" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesRestrictedStock_dfcc98d8-47a2-4c9d-87ba-e0313af366be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NonvestedSharesOfRestrictedStock_652dc013-ed31-456f-9aa3-207a366516b1" xlink:href="cdcx-20230930.xsd#cdcx_NonvestedSharesOfRestrictedStock"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d890c1b3-d710-4b55-afbf-c122e8fc1cdf" xlink:to="loc_cdcx_NonvestedSharesOfRestrictedStock_652dc013-ed31-456f-9aa3-207a366516b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegmentsSegmentFinancialInformationDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegmentsSegmentFinancialInformationDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegmentsSegmentFinancialInformationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_e2584311-efa7-4a29-b86a-0c15fabc206e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_ebbc8dca-0adf-4dd6-82f7-7c56dc2d20c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfReportableSegments"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_e2584311-efa7-4a29-b86a-0c15fabc206e" xlink:to="loc_us-gaap_NumberOfReportableSegments_ebbc8dca-0adf-4dd6-82f7-7c56dc2d20c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_36fc8991-422a-4383-9805-5c3e318d2790" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_e2584311-efa7-4a29-b86a-0c15fabc206e" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_36fc8991-422a-4383-9805-5c3e318d2790" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_d61f1217-06fc-40a3-b874-e2eb6c9e6d39" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_36fc8991-422a-4383-9805-5c3e318d2790" xlink:to="loc_srt_ConsolidationItemsAxis_d61f1217-06fc-40a3-b874-e2eb6c9e6d39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_216e53c6-4c27-4703-a7a0-9a87f8bd17b4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_d61f1217-06fc-40a3-b874-e2eb6c9e6d39" xlink:to="loc_srt_ConsolidationItemsDomain_216e53c6-4c27-4703-a7a0-9a87f8bd17b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_5fbd9b5d-370c-466a-86af-99ffa8c4acb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_216e53c6-4c27-4703-a7a0-9a87f8bd17b4" xlink:to="loc_us-gaap_OperatingSegmentsMember_5fbd9b5d-370c-466a-86af-99ffa8c4acb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_CorporateAndReconcilingItemsMember_0531eac1-b669-4067-8098-78d613d1ee5e" xlink:href="cdcx-20230930.xsd#cdcx_CorporateAndReconcilingItemsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_216e53c6-4c27-4703-a7a0-9a87f8bd17b4" xlink:to="loc_cdcx_CorporateAndReconcilingItemsMember_0531eac1-b669-4067-8098-78d613d1ee5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_6c694750-4041-4585-8d07-1aa7247e789b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_36fc8991-422a-4383-9805-5c3e318d2790" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_6c694750-4041-4585-8d07-1aa7247e789b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d3171819-7b56-4d14-ac83-6c9c64da21a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_6c694750-4041-4585-8d07-1aa7247e789b" xlink:to="loc_us-gaap_SegmentDomain_d3171819-7b56-4d14-ac83-6c9c64da21a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ConsumerProductsSegmentMember_218994b5-9b73-4bc7-a8f3-6073493d012d" xlink:href="cdcx-20230930.xsd#cdcx_ConsumerProductsSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_d3171819-7b56-4d14-ac83-6c9c64da21a2" xlink:to="loc_cdcx_ConsumerProductsSegmentMember_218994b5-9b73-4bc7-a8f3-6073493d012d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_IngredientsSegmentMember_d16d3c30-b87e-432e-a10c-2ff9edd8a6fa" xlink:href="cdcx-20230930.xsd#cdcx_IngredientsSegmentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_d3171819-7b56-4d14-ac83-6c9c64da21a2" xlink:to="loc_cdcx_IngredientsSegmentMember_d16d3c30-b87e-432e-a10c-2ff9edd8a6fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember_76604875-6846-477a-abc6-4f38369f63c9" xlink:href="cdcx-20230930.xsd#cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_d3171819-7b56-4d14-ac83-6c9c64da21a2" xlink:to="loc_cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember_76604875-6846-477a-abc6-4f38369f63c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_36fc8991-422a-4383-9805-5c3e318d2790" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_f8dcffea-2cc4-448b-b1a0-b0e2e398da8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:to="loc_us-gaap_Revenues_f8dcffea-2cc4-448b-b1a0-b0e2e398da8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_5ad95190-cf64-4687-8b52-652303b862e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfRevenue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:to="loc_us-gaap_CostOfRevenue_5ad95190-cf64-4687-8b52-652303b862e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_0b2a8d3a-2e76-4884-aed0-52e35dcb9f1b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:to="loc_us-gaap_GrossProfit_0b2a8d3a-2e76-4884-aed0-52e35dcb9f1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpensesAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:to="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_c52e136e-cb20-4515-988e-740936db9fc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpense"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:to="loc_us-gaap_SellingAndMarketingExpense_c52e136e-cb20-4515-988e-740936db9fc4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_ddc896ea-d501-42a0-a7eb-5acedac25065" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_ddc896ea-d501-42a0-a7eb-5acedac25065" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_0f73c72d-75d9-442f-8565-1235c4c5fb14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_0f73c72d-75d9-442f-8565-1235c4c5fb14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_3c539c9e-817d-4d1e-9c43-3952bbe92fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_81de4c82-245c-45ae-8578-19ff4188b872" xlink:to="loc_us-gaap_OperatingExpenses_3c539c9e-817d-4d1e-9c43-3952bbe92fb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_1a83640f-84d6-4926-92cb-93e2521504dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f2ddba50-1842-45cf-8ac2-20775d0668a3" xlink:to="loc_us-gaap_OperatingIncomeLoss_1a83640f-84d6-4926-92cb-93e2521504dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegmentsDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegmentsDisaggregationofRevenueDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegmentsDisaggregationofRevenueDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_d6f54077-efa1-4a13-be25-e77de150fed4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_143217e3-bdc6-47ae-a94c-678e66073aa5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_d6f54077-efa1-4a13-be25-e77de150fed4" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_143217e3-bdc6-47ae-a94c-678e66073aa5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_f67f505a-0867-4a87-bc2b-31cb868a1046" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_143217e3-bdc6-47ae-a94c-678e66073aa5" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_f67f505a-0867-4a87-bc2b-31cb868a1046" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2021997c-8fa0-4dc9-8ce8-8cf1a619f6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f67f505a-0867-4a87-bc2b-31cb868a1046" xlink:to="loc_us-gaap_SegmentDomain_2021997c-8fa0-4dc9-8ce8-8cf1a619f6e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ConsumerProductsSegmentMember_58013a0c-6b40-4ecc-af95-dde47826417a" xlink:href="cdcx-20230930.xsd#cdcx_ConsumerProductsSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2021997c-8fa0-4dc9-8ce8-8cf1a619f6e7" xlink:to="loc_cdcx_ConsumerProductsSegmentMember_58013a0c-6b40-4ecc-af95-dde47826417a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_IngredientsSegmentMember_a4c36ca1-db24-470c-9093-75b4d26dc90e" xlink:href="cdcx-20230930.xsd#cdcx_IngredientsSegmentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2021997c-8fa0-4dc9-8ce8-8cf1a619f6e7" xlink:to="loc_cdcx_IngredientsSegmentMember_a4c36ca1-db24-470c-9093-75b4d26dc90e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember_b901ef7e-8ae5-4b22-b44e-59f85943d35c" xlink:href="cdcx-20230930.xsd#cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2021997c-8fa0-4dc9-8ce8-8cf1a619f6e7" xlink:to="loc_cdcx_AnalyticalReferenceStandardsAndServicesSegmentMember_b901ef7e-8ae5-4b22-b44e-59f85943d35c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_c9add53a-8350-4789-a3bf-ff82b5f16db8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsegmentsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_143217e3-bdc6-47ae-a94c-678e66073aa5" xlink:to="loc_us-gaap_SubsegmentsAxis_c9add53a-8350-4789-a3bf-ff82b5f16db8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsegmentsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsAxis_c9add53a-8350-4789-a3bf-ff82b5f16db8" xlink:to="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_TRUNIAGENConsumerProductMember_4ee5c4c3-8cbc-4123-935e-34a5afa33124" xlink:href="cdcx-20230930.xsd#cdcx_TRUNIAGENConsumerProductMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_TRUNIAGENConsumerProductMember_4ee5c4c3-8cbc-4123-935e-34a5afa33124" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NIAGENIngredientMember_07d25dd0-9660-4322-953b-95fa43c38372" xlink:href="cdcx-20230930.xsd#cdcx_NIAGENIngredientMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_NIAGENIngredientMember_07d25dd0-9660-4322-953b-95fa43c38372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NIAGENRelatedMember_4b2799ee-74c0-4ac5-8a57-555387d81de2" xlink:href="cdcx-20230930.xsd#cdcx_NIAGENRelatedMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_NIAGENRelatedMember_4b2799ee-74c0-4ac5-8a57-555387d81de2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_OtherIngredientsMember_3ff4ff3b-50ac-4071-95dc-cae934ee10be" xlink:href="cdcx-20230930.xsd#cdcx_OtherIngredientsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_OtherIngredientsMember_3ff4ff3b-50ac-4071-95dc-cae934ee10be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ReferenceStandardsMember_10c95d05-2c7e-4c9b-bb3c-b3c149389618" xlink:href="cdcx-20230930.xsd#cdcx_ReferenceStandardsMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_ReferenceStandardsMember_10c95d05-2c7e-4c9b-bb3c-b3c149389618" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ConsultingAndOtherMember_f99c4880-e142-4f54-85ca-487ccf594443" xlink:href="cdcx-20230930.xsd#cdcx_ConsultingAndOtherMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_ConsultingAndOtherMember_f99c4880-e142-4f54-85ca-487ccf594443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_OtherGoodsAndServicesMember_ee402f15-82f1-4c66-b9fb-7cc6bec75985" xlink:href="cdcx-20230930.xsd#cdcx_OtherGoodsAndServicesMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsDomain_c5f44b31-a318-4cf6-9241-8081564411c9" xlink:to="loc_cdcx_OtherGoodsAndServicesMember_ee402f15-82f1-4c66-b9fb-7cc6bec75985" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_7d18b397-691e-47d3-b60f-bef0423123d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_143217e3-bdc6-47ae-a94c-678e66073aa5" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_7d18b397-691e-47d3-b60f-bef0423123d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_72815da8-1c96-407a-a903-4dc7b9269476" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7d18b397-691e-47d3-b60f-bef0423123d1" xlink:to="loc_us-gaap_Revenues_72815da8-1c96-407a-a903-4dc7b9269476" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegmentsMajorCustomersDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegmentsMajorCustomersDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegmentsMajorCustomersDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_1915d0c1-a013-4fc3-86b4-04a0a6377379" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_1915d0c1-a013-4fc3-86b4-04a0a6377379" xlink:to="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_8136d036-38a1-4da7-893f-5156488faf7f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MajorCustomersAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_srt_MajorCustomersAxis_8136d036-38a1-4da7-893f-5156488faf7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_8136d036-38a1-4da7-893f-5156488faf7f" xlink:to="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ASWatsonGroupMember_ab03a0b5-0261-4e37-a51c-41cafc328bfa" xlink:href="cdcx-20230930.xsd#cdcx_ASWatsonGroupMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:to="loc_cdcx_ASWatsonGroupMember_ab03a0b5-0261-4e37-a51c-41cafc328bfa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NestleHealthScienceCompanyNHScMember_e405ceef-33c4-494c-b4b6-3e5db90720c9" xlink:href="cdcx-20230930.xsd#cdcx_NestleHealthScienceCompanyNHScMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:to="loc_cdcx_NestleHealthScienceCompanyNHScMember_e405ceef-33c4-494c-b4b6-3e5db90720c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AmazonMarketplacesMember_ca4172bd-63d8-4ace-a30a-16d7224ad112" xlink:href="cdcx-20230930.xsd#cdcx_AmazonMarketplacesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:to="loc_cdcx_AmazonMarketplacesMember_ca4172bd-63d8-4ace-a30a-16d7224ad112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LifeExtensionMember_9db733bc-3a3e-4174-b1c1-9b6a994c8a48" xlink:href="cdcx-20230930.xsd#cdcx_LifeExtensionMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:to="loc_cdcx_LifeExtensionMember_9db733bc-3a3e-4174-b1c1-9b6a994c8a48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ThreeCustomersMember_01a08123-6490-4ca6-80e4-76f197861bd0" xlink:href="cdcx-20230930.xsd#cdcx_ThreeCustomersMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_c0ef8a73-841c-4cb2-90ab-7a1b22b661b1" xlink:to="loc_cdcx_ThreeCustomersMember_01a08123-6490-4ca6-80e4-76f197861bd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_61d14665-ec8d-4e60-a5ff-cf57831dbcb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_61d14665-ec8d-4e60-a5ff-cf57831dbcb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_156370e5-b8a7-4150-b4f6-6794b494c0e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_61d14665-ec8d-4e60-a5ff-cf57831dbcb6" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_156370e5-b8a7-4150-b4f6-6794b494c0e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_4ca223a0-1b78-4714-8238-eba950818630" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_156370e5-b8a7-4150-b4f6-6794b494c0e5" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_4ca223a0-1b78-4714-8238-eba950818630" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LifeExtensionMember_0f4fa8ff-472e-4bf7-8281-ae963b33ab8c" xlink:href="cdcx-20230930.xsd#cdcx_LifeExtensionMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_156370e5-b8a7-4150-b4f6-6794b494c0e5" xlink:to="loc_cdcx_LifeExtensionMember_0f4fa8ff-472e-4bf7-8281-ae963b33ab8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_79ea4e90-fff5-45d6-b4fc-ff03a9fdce9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_79ea4e90-fff5-45d6-b4fc-ff03a9fdce9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_424a77a4-ac9a-4c68-82b3-5988464a19f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_79ea4e90-fff5-45d6-b4fc-ff03a9fdce9e" xlink:to="loc_us-gaap_RelatedPartyDomain_424a77a4-ac9a-4c68-82b3-5988464a19f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_395a3660-4c57-49f6-8100-3b7bc03733cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_424a77a4-ac9a-4c68-82b3-5988464a19f5" xlink:to="loc_us-gaap_RelatedPartyMember_395a3660-4c57-49f6-8100-3b7bc03733cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_b5458905-28c0-4da3-8384-cc07c30162b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_b5458905-28c0-4da3-8384-cc07c30162b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_dd4be76d-abc7-4c6e-8595-1675b050c8ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b5458905-28c0-4da3-8384-cc07c30162b8" xlink:to="loc_us-gaap_SegmentDomain_dd4be76d-abc7-4c6e-8595-1675b050c8ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ConsumerProductsSegmentMember_f896a25e-076d-44b7-876b-8bfbc1509494" xlink:href="cdcx-20230930.xsd#cdcx_ConsumerProductsSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_dd4be76d-abc7-4c6e-8595-1675b050c8ec" xlink:to="loc_cdcx_ConsumerProductsSegmentMember_f896a25e-076d-44b7-876b-8bfbc1509494" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ac49513-80d3-422f-bc21-c9ba751ae7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ac49513-80d3-422f-bc21-c9ba751ae7b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_bedaccc6-2d6e-465e-a288-24cac857f34e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ac49513-80d3-422f-bc21-c9ba751ae7b5" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_bedaccc6-2d6e-465e-a288-24cac857f34e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_965a96bc-04da-410b-8e5c-bad17565d96e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_bedaccc6-2d6e-465e-a288-24cac857f34e" xlink:to="loc_us-gaap_SalesRevenueNetMember_965a96bc-04da-410b-8e5c-bad17565d96e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_6dea61ed-fc51-4feb-9ac0-6e1d7204c4f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_bedaccc6-2d6e-465e-a288-24cac857f34e" xlink:to="loc_us-gaap_AccountsReceivableMember_6dea61ed-fc51-4feb-9ac0-6e1d7204c4f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_01e1234c-20e9-458c-b78d-5d2a08433e5a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_03b71a52-7c9a-4064-9dc4-27bd3be9888b" xlink:to="loc_us-gaap_ConcentrationRiskLineItems_01e1234c-20e9-458c-b78d-5d2a08433e5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_7caccf9d-18b6-42a9-a3b4-7385da4a65c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_01e1234c-20e9-458c-b78d-5d2a08433e5a" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_7caccf9d-18b6-42a9-a3b4-7385da4a65c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/BusinessSegmentsNarrativeDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#BusinessSegmentsNarrativeDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/BusinessSegmentsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_068bd9ef-ef9c-4bb6-ba79-3256345ec65a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_068bd9ef-ef9c-4bb6-ba79-3256345ec65a" xlink:to="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_d4ea1ee0-570f-4de7-947c-7e2bf67c74fb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MajorCustomersAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:to="loc_srt_MajorCustomersAxis_d4ea1ee0-570f-4de7-947c-7e2bf67c74fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_83e94140-f15a-4505-b0e5-548e766d3238" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_d4ea1ee0-570f-4de7-947c-7e2bf67c74fb" xlink:to="loc_srt_NameOfMajorCustomerDomain_83e94140-f15a-4505-b0e5-548e766d3238" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ThreeCustomersMember_eb7cb881-e952-405a-ba9d-74c5d91638d3" xlink:href="cdcx-20230930.xsd#cdcx_ThreeCustomersMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_83e94140-f15a-4505-b0e5-548e766d3238" xlink:to="loc_cdcx_ThreeCustomersMember_eb7cb881-e952-405a-ba9d-74c5d91638d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ef95a028-89bc-4df6-9102-537198b5304f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ef95a028-89bc-4df6-9102-537198b5304f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_49df8752-34ff-4625-8e87-cae9685b81bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ef95a028-89bc-4df6-9102-537198b5304f" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_49df8752-34ff-4625-8e87-cae9685b81bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_a81bdbf6-1ad0-4dd4-825d-f0ddb8c38348" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_49df8752-34ff-4625-8e87-cae9685b81bc" xlink:to="loc_us-gaap_AccountsReceivableMember_a81bdbf6-1ad0-4dd4-825d-f0ddb8c38348" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_5ddbeee9-293f-45f5-8114-7a2e1c5a348c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_5ddbeee9-293f-45f5-8114-7a2e1c5a348c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_30d75c00-6bd9-4719-9ac7-d829d204e945" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_5ddbeee9-293f-45f5-8114-7a2e1c5a348c" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_30d75c00-6bd9-4719-9ac7-d829d204e945" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_09a6ca7b-7db5-4b0e-b3d4-7a9b5b2a93d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_30d75c00-6bd9-4719-9ac7-d829d204e945" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_09a6ca7b-7db5-4b0e-b3d4-7a9b5b2a93d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_fd75a9fc-1325-4546-8635-4553f3daad25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_44595ba2-4280-48a0-8f79-5313875f786e" xlink:to="loc_us-gaap_ConcentrationRiskLineItems_fd75a9fc-1325-4546-8635-4553f3daad25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_d4a21d8b-11dc-434a-ba87-8153787148a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_fd75a9fc-1325-4546-8635-4553f3daad25" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_d4a21d8b-11dc-434a-ba87-8153787148a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_d4785c76-bd21-44b4-b7e8-3abdb3a57674" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_fd75a9fc-1325-4546-8635-4553f3daad25" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_d4785c76-bd21-44b4-b7e8-3abdb3a57674" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/RelatedPartyTransactionsNetSalesandTradeReceivablesDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#RelatedPartyTransactionsNetSalesandTradeReceivablesDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/RelatedPartyTransactionsNetSalesandTradeReceivablesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_5e87fc09-0837-4c8a-9acb-7ead6a4fdc25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_757fc2a8-3adb-471b-bebc-8da4b54155bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_5e87fc09-0837-4c8a-9acb-7ead6a4fdc25" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_757fc2a8-3adb-471b-bebc-8da4b54155bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f076e832-4d6c-49e8-875c-f4074ada9aa3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_757fc2a8-3adb-471b-bebc-8da4b54155bd" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f076e832-4d6c-49e8-875c-f4074ada9aa3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0c25d24f-9c70-44d0-a88e-ce733c965bff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f076e832-4d6c-49e8-875c-f4074ada9aa3" xlink:to="loc_us-gaap_RelatedPartyDomain_0c25d24f-9c70-44d0-a88e-ce733c965bff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_6eb03961-7169-4e41-8205-04af4009ba24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0c25d24f-9c70-44d0-a88e-ce733c965bff" xlink:to="loc_us-gaap_RelatedPartyMember_6eb03961-7169-4e41-8205-04af4009ba24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_cedd371e-3318-4770-ac3c-35e03f0e5a19" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CounterpartyNameAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_757fc2a8-3adb-471b-bebc-8da4b54155bd" xlink:to="loc_srt_CounterpartyNameAxis_cedd371e-3318-4770-ac3c-35e03f0e5a19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f82e77e2-72c0-4478-a88d-de4339e94d6a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CounterpartyNameAxis_cedd371e-3318-4770-ac3c-35e03f0e5a19" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f82e77e2-72c0-4478-a88d-de4339e94d6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ASWatsonGroupMember_88c25bde-e79b-4510-ae9d-4434b1aef178" xlink:href="cdcx-20230930.xsd#cdcx_ASWatsonGroupMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f82e77e2-72c0-4478-a88d-de4339e94d6a" xlink:to="loc_cdcx_ASWatsonGroupMember_88c25bde-e79b-4510-ae9d-4434b1aef178" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_0dfe103f-1d65-413b-9cb9-83fca6c253e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_757fc2a8-3adb-471b-bebc-8da4b54155bd" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_0dfe103f-1d65-413b-9cb9-83fca6c253e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_5dc2db52-ec37-4f5e-ab4e-4deb0e31ac19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0dfe103f-1d65-413b-9cb9-83fca6c253e5" xlink:to="loc_us-gaap_Revenues_5dc2db52-ec37-4f5e-ab4e-4deb0e31ac19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_7799ca0d-0c15-46e3-99fd-a6925d8cbb8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0dfe103f-1d65-413b-9cb9-83fca6c253e5" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_7799ca0d-0c15-46e3-99fd-a6925d8cbb8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/InventoriesDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#InventoriesDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/InventoriesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_95c56676-f468-4173-8fa9-0f2085cbd486" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryFinishedGoods"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:to="loc_us-gaap_InventoryFinishedGoods_95c56676-f468-4173-8fa9-0f2085cbd486" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_811bc85c-a640-4ad4-8e19-a7933f9f3385" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryWorkInProcess"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:to="loc_us-gaap_InventoryWorkInProcess_811bc85c-a640-4ad4-8e19-a7933f9f3385" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_9dc355ad-e7e4-441d-ba41-ab6a5cdf7329" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryRawMaterials"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:to="loc_us-gaap_InventoryRawMaterials_9dc355ad-e7e4-441d-ba41-ab6a5cdf7329" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSupplies_245b282d-59c2-4035-927c-666b93aaa4f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryRawMaterialsAndSupplies"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSupplies_245b282d-59c2-4035-927c-666b93aaa4f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_9ec75033-1c33-417d-9992-835bd89f93e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryNet"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_692a70cf-4822-46a3-9bda-bd4fc683f288" xlink:to="loc_us-gaap_InventoryNet_9ec75033-1c33-417d-9992-835bd89f93e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesNarrativeDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_10ad4018-9e81-494f-a20c-a975f479676e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_e931fd96-66ae-4384-8697-7ef28fce8b35" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_10ad4018-9e81-494f-a20c-a975f479676e" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_e931fd96-66ae-4384-8697-7ef28fce8b35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_08323f9f-72da-4c20-baf7-51c1922db2fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_e931fd96-66ae-4384-8697-7ef28fce8b35" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_08323f9f-72da-4c20-baf7-51c1922db2fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_857d975b-d1e9-4df7-ab57-d7a7c28b44dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_08323f9f-72da-4c20-baf7-51c1922db2fd" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_857d975b-d1e9-4df7-ab57-d7a7c28b44dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_717fbef0-d86d-45d8-9571-3da9b54d2b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_857d975b-d1e9-4df7-ab57-d7a7c28b44dc" xlink:to="loc_us-gaap_SubsequentEventMember_717fbef0-d86d-45d8-9571-3da9b54d2b6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_e931fd96-66ae-4384-8697-7ef28fce8b35" xlink:to="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_fc81c1ab-989f-42be-84ea-b47cc4e2a96c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_fc81c1ab-989f-42be-84ea-b47cc4e2a96c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_dd9473d1-a139-4940-844b-fbaccb34275f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:to="loc_us-gaap_OperatingLeaseLiability_dd9473d1-a139-4940-844b-fbaccb34275f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_OperatingLeasesAbatedRateAmount_828ee1b4-be1f-41e0-837a-5918b92d9d4a" xlink:href="cdcx-20230930.xsd#cdcx_OperatingLeasesAbatedRateAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:to="loc_cdcx_OperatingLeasesAbatedRateAmount_828ee1b4-be1f-41e0-837a-5918b92d9d4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AbatementPeriod_be5965bd-efa9-480f-a0a2-0fc9ce06290c" xlink:href="cdcx-20230930.xsd#cdcx_AbatementPeriod"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2a93b9b0-ef20-41b1-86e6-c736eb9b1bac" xlink:to="loc_cdcx_AbatementPeriod_be5965bd-efa9-480f-a0a2-0fc9ce06290c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesComponentsofLeaseExpenseDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_3c2297df-8eaa-4dbd-b28c-522829511549" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseCost"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:to="loc_us-gaap_OperatingLeaseCost_3c2297df-8eaa-4dbd-b28c-522829511549" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_6703fb59-0524-43af-894e-6daa4ec172aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableLeaseCost"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:to="loc_us-gaap_VariableLeaseCost_6703fb59-0524-43af-894e-6daa4ec172aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_TotalOperatingLeaseExpenses_1e4b7fa2-7de8-4e3e-8c84-4438c7ea7518" xlink:href="cdcx-20230930.xsd#cdcx_TotalOperatingLeaseExpenses"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:to="loc_cdcx_TotalOperatingLeaseExpenses_1e4b7fa2-7de8-4e3e-8c84-4438c7ea7518" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_ef0b60d8-5065-474f-820a-c38b28c0818c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermLeaseCost"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:to="loc_us-gaap_ShortTermLeaseCost_ef0b60d8-5065-474f-820a-c38b28c0818c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_b9c12f16-d595-4897-b622-aefb8bbe6852" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseExpense"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_e9f9f14d-e8bc-4995-ba72-185361f7d937" xlink:to="loc_us-gaap_OperatingLeaseExpense_b9c12f16-d595-4897-b622-aefb8bbe6852" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesOperatingLeaseAdditionalInformationDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesOperatingLeaseAdditionalInformationDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesOperatingLeaseAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_78384dba-947d-46ba-9361-4aac2997ab6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_7a07a21f-5ec1-4558-8496-cb339e70b7cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_78384dba-947d-46ba-9361-4aac2997ab6d" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_7a07a21f-5ec1-4558-8496-cb339e70b7cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_5e333e1c-5430-4185-b779-9f02abb1d0ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_78384dba-947d-46ba-9361-4aac2997ab6d" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_5e333e1c-5430-4185-b779-9f02abb1d0ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_29fed1c4-3d91-40db-aac8-85e33f74850c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_29fed1c4-3d91-40db-aac8-85e33f74850c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_459c7a9a-dfdc-49b2-873d-a71fae6e4ad2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_459c7a9a-dfdc-49b2-873d-a71fae6e4ad2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_88542c3f-cc37-44d0-a6c4-6f0b0a608563" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_88542c3f-cc37-44d0-a6c4-6f0b0a608563" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6982e14c-7e84-46a9-842a-3aaacdaf00b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6982e14c-7e84-46a9-842a-3aaacdaf00b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_07ed8a29-addc-4ef2-8fd1-c7581eb57c23" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_07ed8a29-addc-4ef2-8fd1-c7581eb57c23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_32f8f421-de7b-44c3-b3cc-b186935d7b9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_32f8f421-de7b-44c3-b3cc-b186935d7b9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_eb4d5e31-a4b6-4702-b454-867ad24cb918" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_eb4d5e31-a4b6-4702-b454-867ad24cb918" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1cc5c327-4387-4ac7-abd7-c7eb32be5dee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1cc5c327-4387-4ac7-abd7-c7eb32be5dee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_7733cddd-702a-4a07-8b7e-be278f05afe0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_7733cddd-702a-4a07-8b7e-be278f05afe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_9fed0586-4081-4d81-b9a1-7bc5d1165cde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_OperatingLeaseLiability_9fed0586-4081-4d81-b9a1-7bc5d1165cde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_2c8441b4-7be4-4429-bb2e-0fbf0bb1a5d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_2c8441b4-7be4-4429-bb2e-0fbf0bb1a5d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_353dd6de-7264-4fa5-ab67-b543a725448b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_02cf166d-075a-43ae-9d49-d950bbf2273a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_353dd6de-7264-4fa5-ab67-b543a725448b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails_1" xlink:type="simple" xlink:href="cdcx-20230930.xsd#LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails_1"/>
<link:presentationLink xlink:role="http://cdcx.com/role/LeasesFutureMinimumLeasePaymentsUnderOperatingLeasesDetails_1" xlink:type="extended"/>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationNarrativeDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_354489ed-121a-469d-a891-9e469ca19f35" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_354489ed-121a-469d-a891-9e469ca19f35" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3feb857b-70b5-4b71-bc9f-c68e45f14378" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:to="loc_us-gaap_AwardTypeAxis_3feb857b-70b5-4b71-bc9f-c68e45f14378" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_3feb857b-70b5-4b71-bc9f-c68e45f14378" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember_a6dbd4db-f55a-4c8c-94de-4badcd6694d7" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:to="loc_cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember_a6dbd4db-f55a-4c8c-94de-4badcd6694d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_FullValueAwardMember_c96ed0a0-4349-419b-afb7-c5c5647b5cab" xlink:href="cdcx-20230930.xsd#cdcx_FullValueAwardMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:to="loc_cdcx_FullValueAwardMember_c96ed0a0-4349-419b-afb7-c5c5647b5cab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_89e2ab3a-b63c-4632-9a47-5fabd43653cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:to="loc_us-gaap_EmployeeStockOptionMember_89e2ab3a-b63c-4632-9a47-5fabd43653cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_a83dc459-d595-45ed-906e-2082bedcd2e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_adb2e483-244b-4d9b-b060-4cfab1e835e6" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_a83dc459-d595-45ed-906e-2082bedcd2e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_f1d38e64-f254-46cf-a26b-30ada54c3892" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:to="loc_us-gaap_PlanNameAxis_f1d38e64-f254-46cf-a26b-30ada54c3892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_c9f13f13-9279-48e3-9cec-b091b9fd6b14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_f1d38e64-f254-46cf-a26b-30ada54c3892" xlink:to="loc_us-gaap_PlanNameDomain_c9f13f13-9279-48e3-9cec-b091b9fd6b14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_A2017EquityIncentivePlanMember_62f92392-43f9-40b5-a26f-0220c52ae0dd" xlink:href="cdcx-20230930.xsd#cdcx_A2017EquityIncentivePlanMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_c9f13f13-9279-48e3-9cec-b091b9fd6b14" xlink:to="loc_cdcx_A2017EquityIncentivePlanMember_62f92392-43f9-40b5-a26f-0220c52ae0dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_d4b35354-858a-4b07-b921-748e907c5809" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VestingAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:to="loc_us-gaap_VestingAxis_d4b35354-858a-4b07-b921-748e907c5809" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_4b7283c3-3ef0-48a2-9806-dbe47980f6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VestingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_d4b35354-858a-4b07-b921-748e907c5809" xlink:to="loc_us-gaap_VestingDomain_4b7283c3-3ef0-48a2-9806-dbe47980f6dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_311e4a72-899f-4ed3-9d3b-c83cd38c52cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_4b7283c3-3ef0-48a2-9806-dbe47980f6dc" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_311e4a72-899f-4ed3-9d3b-c83cd38c52cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_7f48fd16-5092-4cef-b529-89ecb0451a56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_4b7283c3-3ef0-48a2-9806-dbe47980f6dc" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_7f48fd16-5092-4cef-b529-89ecb0451a56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_68be378d-20c9-486b-9ff5-3e77cdde923c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_4b7283c3-3ef0-48a2-9806-dbe47980f6dc" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_68be378d-20c9-486b-9ff5-3e77cdde923c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2684cd81-0f04-44b1-bb7f-d28e2016d2df" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2684cd81-0f04-44b1-bb7f-d28e2016d2df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_596a4a93-a72e-4370-9568-de99408900a4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2684cd81-0f04-44b1-bb7f-d28e2016d2df" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_596a4a93-a72e-4370-9568-de99408900a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ChromaDexAsiaPacificVenturesLimitedMember_b439d960-c162-4e5d-8fed-da373eab9bf7" xlink:href="cdcx-20230930.xsd#cdcx_ChromaDexAsiaPacificVenturesLimitedMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_596a4a93-a72e-4370-9568-de99408900a4" xlink:to="loc_cdcx_ChromaDexAsiaPacificVenturesLimitedMember_b439d960-c162-4e5d-8fed-da373eab9bf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1b754b9f-5efa-4d96-9dde-a7aafedc0daf" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_d9e0a5ff-3169-45b7-9cc3-bbe07bf457c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_d9e0a5ff-3169-45b7-9cc3-bbe07bf457c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanNewShares_82361c08-2a61-4717-a055-dc6e1f950f42" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanNewShares"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanNewShares_82361c08-2a61-4717-a055-dc6e1f950f42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanInducementAward_d067107d-4b78-49a8-aa0b-04131008ac8b" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanInducementAward"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAllowableUnderThePlanInducementAward_d067107d-4b78-49a8-aa0b-04131008ac8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardReductionInSharesAllowableUnderThePlan_5275d61b-7c57-4c58-9ee7-6d1805bb7c2e" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardReductionInSharesAllowableUnderThePlan"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardReductionInSharesAllowableUnderThePlan_5275d61b-7c57-4c58-9ee7-6d1805bb7c2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_02d60f39-1bc4-4ec3-8c8e-4b975db4726a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_02d60f39-1bc4-4ec3-8c8e-4b975db4726a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_5d6681ba-8dea-4630-a2cc-1542fe7ac305" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_5d6681ba-8dea-4630-a2cc-1542fe7ac305" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7298819b-88fc-4212-82e6-50590e90bec0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7298819b-88fc-4212-82e6-50590e90bec0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_5e3bed51-02dd-4b30-a100-859afb10e491" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_5e3bed51-02dd-4b30-a100-859afb10e491" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_70b7490a-b513-416b-8500-1ff4541a9a50" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_70b7490a-b513-416b-8500-1ff4541a9a50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_1932d02b-61d0-4314-9450-b47029ca5bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_1932d02b-61d0-4314-9450-b47029ca5bb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c2027a3e-2bfc-4c93-95b3-bafec9ba7991" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c2027a3e-2bfc-4c93-95b3-bafec9ba7991" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_aff4d263-215b-4cd2-a930-3a60acad01db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d9d21bd3-ca87-4fb2-b82c-d7fb0c564fe5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_aff4d263-215b-4cd2-a930-3a60acad01db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationWeightedAverageAssumptionsforoptionsgrantedDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationWeightedAverageAssumptionsforoptionsgrantedDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationWeightedAverageAssumptionsforoptionsgrantedDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d9b4b5f2-a8b8-4507-a5c3-89fb548ae73c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_047600ac-1e80-4ca1-8d44-84701a5e13c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d9b4b5f2-a8b8-4507-a5c3-89fb548ae73c" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_047600ac-1e80-4ca1-8d44-84701a5e13c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_db396a99-5630-4023-b791-75d6436f901c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d9b4b5f2-a8b8-4507-a5c3-89fb548ae73c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_db396a99-5630-4023-b791-75d6436f901c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_506c9da0-5a74-4164-b558-2e95091a5e73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d9b4b5f2-a8b8-4507-a5c3-89fb548ae73c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_506c9da0-5a74-4164-b558-2e95091a5e73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_f5e181b2-1bfe-48de-ad5d-b2bba73c701e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d9b4b5f2-a8b8-4507-a5c3-89fb548ae73c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_f5e181b2-1bfe-48de-ad5d-b2bba73c701e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationActivityofServicePeriodBasedStockOptionsDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationActivityofServicePeriodBasedStockOptionsDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationActivityofServicePeriodBasedStockOptionsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_64f1215d-3104-44b2-859a-089d8e90d2be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a395f2b5-65b1-4f35-bf00-ebb847b33253" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_64f1215d-3104-44b2-859a-089d8e90d2be" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a395f2b5-65b1-4f35-bf00-ebb847b33253" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_806a5dae-f8ba-4041-8367-55bb9cff3d55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a395f2b5-65b1-4f35-bf00-ebb847b33253" xlink:to="loc_us-gaap_AwardTypeAxis_806a5dae-f8ba-4041-8367-55bb9cff3d55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65af27b7-6540-4672-9924-f0a281511b73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_806a5dae-f8ba-4041-8367-55bb9cff3d55" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65af27b7-6540-4672-9924-f0a281511b73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ServicePeriodBasedStockOptionsMember_34741142-a0ca-4e8f-9947-fbd112d30625" xlink:href="cdcx-20230930.xsd#cdcx_ServicePeriodBasedStockOptionsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65af27b7-6540-4672-9924-f0a281511b73" xlink:to="loc_cdcx_ServicePeriodBasedStockOptionsMember_34741142-a0ca-4e8f-9947-fbd112d30625" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a395f2b5-65b1-4f35-bf00-ebb847b33253" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_38444446-3e02-4118-8f93-8a4760475282" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_38444446-3e02-4118-8f93-8a4760475282" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c0b5cc7c-4fcf-42c2-b215-61a7da9ef995" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c0b5cc7c-4fcf-42c2-b215-61a7da9ef995" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_e0ef65ae-9f01-4f4c-bc54-87962b9ddbbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_e0ef65ae-9f01-4f4c-bc54-87962b9ddbbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_b9191883-b543-4a84-b6f0-aa1392fb059c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_b9191883-b543-4a84-b6f0-aa1392fb059c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_acc41c6e-5ec3-4e5e-8aaf-2a98f3ed709f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c7ed1c65-7ea3-4d02-9e37-f9edc9e04b5e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_acc41c6e-5ec3-4e5e-8aaf-2a98f3ed709f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NumberOfSharesEndingBalanceExercised_73411693-4233-4274-89d3-5f67dc119241" xlink:href="cdcx-20230930.xsd#cdcx_NumberOfSharesEndingBalanceExercised"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:to="loc_cdcx_NumberOfSharesEndingBalanceExercised_73411693-4233-4274-89d3-5f67dc119241" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_79b5d9b9-91c7-4090-a81b-dd1313bd5c5f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_79b5d9b9-91c7-4090-a81b-dd1313bd5c5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_6a2fe37e-61fa-43d2-8803-8bf045a48f69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_6a2fe37e-61fa-43d2-8803-8bf045a48f69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageExercisePriceExercised_688104a9-4a37-441f-9788-75132bec7936" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageExercisePriceExercised"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:to="loc_cdcx_WeightedAverageExercisePriceExercised_688104a9-4a37-441f-9788-75132bec7936" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_99c1b5d1-ac1e-4609-a06b-614e0dbcd5a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_99c1b5d1-ac1e-4609-a06b-614e0dbcd5a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_8aef39be-e898-45cc-af5d-78a333b41180" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_973dbcca-48a7-4688-bc3f-5df9cc8726ae" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_8aef39be-e898-45cc-af5d-78a333b41180" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageExercisePriceExercisableEndingBalance_dcd7c562-cdad-41a1-b8d7-a1e466c3e664" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageExercisePriceExercisableEndingBalance"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:to="loc_cdcx_WeightedAverageExercisePriceExercisableEndingBalance_dcd7c562-cdad-41a1-b8d7-a1e466c3e664" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de33908d-e94d-474d-9f76-fc5e50ddb964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageRemainingContractualTermEndingBalance_ed42969c-ad76-45a3-aa8e-3a74eaf7a323" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageRemainingContractualTermEndingBalance"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:to="loc_cdcx_WeightedAverageRemainingContractualTermEndingBalance_ed42969c-ad76-45a3-aa8e-3a74eaf7a323" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageRemainingContractualTermExercisableBalance_299db922-4f6e-4ae1-83cd-ea03c8cab67b" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageRemainingContractualTermExercisableBalance"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:to="loc_cdcx_WeightedAverageRemainingContractualTermExercisableBalance_299db922-4f6e-4ae1-83cd-ea03c8cab67b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageIntrinsicValueEndingBalance_6ad494a2-46ad-46d5-8d25-6af5bfeb047d" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageIntrinsicValueEndingBalance"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:to="loc_cdcx_WeightedAverageIntrinsicValueEndingBalance_6ad494a2-46ad-46d5-8d25-6af5bfeb047d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_WeightedAverageIntrinsicValueExercisedEndingBalance_979a8992-4cbb-4a17-925b-b55d6a548ade" xlink:href="cdcx-20230930.xsd#cdcx_WeightedAverageIntrinsicValueExercisedEndingBalance"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:to="loc_cdcx_WeightedAverageIntrinsicValueExercisedEndingBalance_979a8992-4cbb-4a17-925b-b55d6a548ade" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_544c490e-3780-4c32-bd24-e35650eb5bc1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharePrice"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2ddbaee2-2e94-42bb-97a9-6c83d7227cfa" xlink:to="loc_us-gaap_SharePrice_544c490e-3780-4c32-bd24-e35650eb5bc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationActivityofRestrictedStockUnitsandRestrictedStockAwardsDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationActivityofRestrictedStockUnitsandRestrictedStockAwardsDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationActivityofRestrictedStockUnitsandRestrictedStockAwardsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_a1a52236-4116-4e26-bd02-32db6acd42d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d8523e99-6580-4a43-9e0e-35940f251cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_a1a52236-4116-4e26-bd02-32db6acd42d2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d8523e99-6580-4a43-9e0e-35940f251cf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_5f6d813f-14b8-468e-901e-e44254374f75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d8523e99-6580-4a43-9e0e-35940f251cf3" xlink:to="loc_us-gaap_AwardTypeAxis_5f6d813f-14b8-468e-901e-e44254374f75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3a7457ae-e2fd-48d0-8be9-8cdb2572f4c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_5f6d813f-14b8-468e-901e-e44254374f75" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3a7457ae-e2fd-48d0-8be9-8cdb2572f4c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_854d595a-88a8-4404-9189-bb2d5d5d8f4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3a7457ae-e2fd-48d0-8be9-8cdb2572f4c0" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_854d595a-88a8-4404-9189-bb2d5d5d8f4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_d1e2b60a-8339-479b-9bb7-4d103c2760d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3a7457ae-e2fd-48d0-8be9-8cdb2572f4c0" xlink:to="loc_us-gaap_RestrictedStockMember_d1e2b60a-8339-479b-9bb7-4d103c2760d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d8523e99-6580-4a43-9e0e-35940f251cf3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_888c81d7-37eb-45be-85b1-9ee11b0ab93a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_888c81d7-37eb-45be-85b1-9ee11b0ab93a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_d3d6ea5d-8e74-44f3-aebf-db179627b28c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_d3d6ea5d-8e74-44f3-aebf-db179627b28c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_dde7ea54-4725-47eb-ba10-d5eb5640b1ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_dde7ea54-4725-47eb-ba10-d5eb5640b1ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_c915cf5e-3b71-47af-ad63-3dd19155995c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_c915cf5e-3b71-47af-ad63-3dd19155995c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2e27580e-8115-4ad2-97f9-dcf010929113" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5d617027-952d-4fb0-8954-05523ec03c69" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2e27580e-8115-4ad2-97f9-dcf010929113" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_3675a2e1-9611-42e9-b8c7-7d0e8260429b" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_3675a2e1-9611-42e9-b8c7-7d0e8260429b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_27b396ee-a7b0-4aee-9fca-08a46ba5127e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_27b396ee-a7b0-4aee-9fca-08a46ba5127e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_bf2d465a-b927-4b07-8125-80f44fa77d17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_bf2d465a-b927-4b07-8125-80f44fa77d17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_41a2a748-f050-42b4-8187-e1d8434d8ebd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_41a2a748-f050-42b4-8187-e1d8434d8ebd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_dff1e761-7a2b-4c54-b459-682b7a96d2b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_dff1e761-7a2b-4c54-b459-682b7a96d2b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_e2ecac77-cd9c-4524-81a0-0651c7159dc6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e5fb1c15-175c-4838-9202-bf4787f72711" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_e2ecac77-cd9c-4524-81a0-0651c7159dc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_89487474-35f3-4f5b-bd09-fdd2dea4055f" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fb49af7a-7be4-44f3-9ae4-1b496567abb9" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_89487474-35f3-4f5b-bd09-fdd2dea4055f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/ShareBasedCompensationShareBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#ShareBasedCompensationShareBasedCompensationExpenseDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/ShareBasedCompensationShareBasedCompensationExpenseDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_9360faaf-f8e1-4b7c-a3c5-79f996148c6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_18238fe2-f808-47eb-96d8-e285edea5629" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_9360faaf-f8e1-4b7c-a3c5-79f996148c6b" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_18238fe2-f808-47eb-96d8-e285edea5629" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_90f98025-b47d-4f87-a33f-efa202c67c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_18238fe2-f808-47eb-96d8-e285edea5629" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_90f98025-b47d-4f87-a33f-efa202c67c6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_90f98025-b47d-4f87-a33f-efa202c67c6a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_a21d48c0-2711-4287-ab8e-66483b15a489" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfSalesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:to="loc_us-gaap_CostOfSalesMember_a21d48c0-2711-4287-ab8e-66483b15a489" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_SalesAndMarketingMember_c520f055-4300-4850-bbc1-baf05d0cb5df" xlink:href="cdcx-20230930.xsd#cdcx_SalesAndMarketingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:to="loc_cdcx_SalesAndMarketingMember_c520f055-4300-4850-bbc1-baf05d0cb5df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_af308425-66da-47d8-a001-236ea4270c02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_af308425-66da-47d8-a001-236ea4270c02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_525fd2f1-eba7-42ad-be44-f38b8a8f6510" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1988df6f-7117-4ef4-8737-0d4162bf0f50" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_525fd2f1-eba7-42ad-be44-f38b8a8f6510" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0f207cc0-3673-4e27-ad79-dc4deecf21fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_18238fe2-f808-47eb-96d8-e285edea5629" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0f207cc0-3673-4e27-ad79-dc4deecf21fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_8cc6e4b4-82a4-4dc6-9a6b-9618d0e73233" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0f207cc0-3673-4e27-ad79-dc4deecf21fc" xlink:to="loc_us-gaap_ShareBasedCompensation_8cc6e4b4-82a4-4dc6-9a6b-9618d0e73233" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#CommitmentsandContingenciesDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_27191e8f-d80f-4205-9198-7a4d12399a3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_27191e8f-d80f-4205-9198-7a4d12399a3d" xlink:to="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_bd35ddca-9918-4ec2-929a-b2f944ef93b9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:to="loc_srt_LitigationCaseAxis_bd35ddca-9918-4ec2-929a-b2f944ef93b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_4cdeb846-5e4a-4f4e-9850-e9c8a8f5db17" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseAxis_bd35ddca-9918-4ec2-929a-b2f944ef93b9" xlink:to="loc_srt_LitigationCaseTypeDomain_4cdeb846-5e4a-4f4e-9850-e9c8a8f5db17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_CaliforniaActionMember_5f4de234-4949-4305-9769-5a831a791309" xlink:href="cdcx-20230930.xsd#cdcx_CaliforniaActionMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_4cdeb846-5e4a-4f4e-9850-e9c8a8f5db17" xlink:to="loc_cdcx_CaliforniaActionMember_5f4de234-4949-4305-9769-5a831a791309" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_SouthernDistrictOfNewYorkActionMember_90999591-944b-4c94-b8e3-223eea16cb54" xlink:href="cdcx-20230930.xsd#cdcx_SouthernDistrictOfNewYorkActionMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_4cdeb846-5e4a-4f4e-9850-e9c8a8f5db17" xlink:to="loc_cdcx_SouthernDistrictOfNewYorkActionMember_90999591-944b-4c94-b8e3-223eea16cb54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_a4ffdcf5-f808-4de4-b987-82621badbfbb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_a4ffdcf5-f808-4de4-b987-82621badbfbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNatureDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_a4ffdcf5-f808-4de4-b987-82621badbfbb" xlink:to="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_BreachOfSupplyAgreementMember_6eb051b7-5c29-45af-808c-b8232b69a939" xlink:href="cdcx-20230930.xsd#cdcx_BreachOfSupplyAgreementMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:to="loc_cdcx_BreachOfSupplyAgreementMember_6eb051b7-5c29-45af-808c-b8232b69a939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_BreachOfConfidentialityAgreementMember_82c0862b-9b85-4045-a643-6f3edd81020a" xlink:href="cdcx-20230930.xsd#cdcx_BreachOfConfidentialityAgreementMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:to="loc_cdcx_BreachOfConfidentialityAgreementMember_82c0862b-9b85-4045-a643-6f3edd81020a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_FraudulentInducementOfTheLicensingAgreementMember_780c38eb-9315-454a-86e4-b90681e5d53f" xlink:href="cdcx-20230930.xsd#cdcx_FraudulentInducementOfTheLicensingAgreementMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:to="loc_cdcx_FraudulentInducementOfTheLicensingAgreementMember_780c38eb-9315-454a-86e4-b90681e5d53f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_PunitiveDamagesMember_6be924b0-4740-4914-97ae-60ee6b4fcdbf" xlink:href="cdcx-20230930.xsd#cdcx_PunitiveDamagesMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_48650e41-f1e7-4589-be14-c66f084bc767" xlink:to="loc_cdcx_PunitiveDamagesMember_6be924b0-4740-4914-97ae-60ee6b4fcdbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d80a1e92-ad1d-4dcb-a485-1a6924cd3e19" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:to="loc_dei_LegalEntityAxis_d80a1e92-ad1d-4dcb-a485-1a6924cd3e19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fa72c7e5-f8d3-4ee4-bcc4-1f9d8f576c44" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_d80a1e92-ad1d-4dcb-a485-1a6924cd3e19" xlink:to="loc_dei_EntityDomain_fa72c7e5-f8d3-4ee4-bcc4-1f9d8f576c44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ElysiumHealthLLCMember_2f44d489-b606-4c95-b35a-905e50edeccb" xlink:href="cdcx-20230930.xsd#cdcx_ElysiumHealthLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fa72c7e5-f8d3-4ee4-bcc4-1f9d8f576c44" xlink:to="loc_cdcx_ElysiumHealthLLCMember_2f44d489-b606-4c95-b35a-905e50edeccb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_9cd10dc0-bc9c-4550-89a3-256b98ed89d3" xlink:to="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyDamagesSoughtAvoidedCostsValue_0f5f6d73-8f46-4ab4-8a0d-8302d694045e" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyDamagesSoughtAvoidedCostsValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyDamagesSoughtAvoidedCostsValue_0f5f6d73-8f46-4ab4-8a0d-8302d694045e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyDamagesSoughtDisgorgementOfResaleProfitsValue_6e9992e4-630e-45ca-9958-bc50b6aa6baf" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyDamagesSoughtDisgorgementOfResaleProfitsValue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyDamagesSoughtDisgorgementOfResaleProfitsValue_6e9992e4-630e-45ca-9958-bc50b6aa6baf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyDamagesSoughtPriceDiscountValue_a7ce8e66-eab2-4277-9402-71bf81710f82" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyDamagesSoughtPriceDiscountValue"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyDamagesSoughtPriceDiscountValue_a7ce8e66-eab2-4277-9402-71bf81710f82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyDamagesSoughtCompensationValue_5282adb5-8a1f-4e67-b836-a7ad5a2af827" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyDamagesSoughtCompensationValue"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyDamagesSoughtCompensationValue_5282adb5-8a1f-4e67-b836-a7ad5a2af827" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NumberOfConfidentialityAgreementsBreached_b17eba3c-dee4-42a0-9d3c-f1d7bcb713d8" xlink:href="cdcx-20230930.xsd#cdcx_NumberOfConfidentialityAgreementsBreached"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_NumberOfConfidentialityAgreementsBreached_b17eba3c-dee4-42a0-9d3c-f1d7bcb713d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_d2aaa5b7-fbdf-48b6-87ba-2658f6412fed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyDamagesAwardedValue"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_d2aaa5b7-fbdf-48b6-87ba-2658f6412fed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyNumberOfClaimsFiled_79bce04b-f009-4283-88ad-75898f72d5a0" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyNumberOfClaimsFiled"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyNumberOfClaimsFiled_79bce04b-f009-4283-88ad-75898f72d5a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyNumberOfClaimsSustained_c6122627-2381-48d0-aa0e-3a20597211a9" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyNumberOfClaimsSustained"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyNumberOfClaimsSustained_c6122627-2381-48d0-aa0e-3a20597211a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_LossContingencyNumberOfClaimsDismissed_7f15c139-1805-467a-b989-69a8561352ce" xlink:href="cdcx-20230930.xsd#cdcx_LossContingencyNumberOfClaimsDismissed"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_cdcx_LossContingencyNumberOfClaimsDismissed_7f15c139-1805-467a-b989-69a8561352ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableFromSecuritization_4cf8f671-c00c-4954-b4c5-e153dc74656b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableFromSecuritization"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b55b50f-db5a-417e-bbfc-f0453f3a79fd" xlink:to="loc_us-gaap_AccountsReceivableFromSecuritization_4cf8f671-c00c-4954-b4c5-e153dc74656b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/EmployeeRetentionTaxCreditDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#EmployeeRetentionTaxCreditDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/EmployeeRetentionTaxCreditDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_54083048-f20b-483d-9f71-9a41efe14a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct_78508aa0-6f58-4db2-8acc-db2d6872efba" xlink:href="cdcx-20230930.xsd#cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_54083048-f20b-483d-9f71-9a41efe14a5d" xlink:to="loc_cdcx_OtherIncomeNetEmployeeRetentionCreditCARESAct_78508aa0-6f58-4db2-8acc-db2d6872efba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ProceedsFromEmployeeRetentionTaxCreditCARESAct_f97fcfd2-1773-4b17-8b21-07387c4600cf" xlink:href="cdcx-20230930.xsd#cdcx_ProceedsFromEmployeeRetentionTaxCreditCARESAct"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_54083048-f20b-483d-9f71-9a41efe14a5d" xlink:to="loc_cdcx_ProceedsFromEmployeeRetentionTaxCreditCARESAct_f97fcfd2-1773-4b17-8b21-07387c4600cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_PrepaidExpensesAndOtherCurrentAssetsEmployeeRetentionCreditCARESAct_9791e356-8093-4782-918c-5bf551752a11" xlink:href="cdcx-20230930.xsd#cdcx_PrepaidExpensesAndOtherCurrentAssetsEmployeeRetentionCreditCARESAct"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_54083048-f20b-483d-9f71-9a41efe14a5d" xlink:to="loc_cdcx_PrepaidExpensesAndOtherCurrentAssetsEmployeeRetentionCreditCARESAct_9791e356-8093-4782-918c-5bf551752a11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_AccruedExpensesEmployeeRetentionCreditCARESAct_12fb55f6-a933-48b4-9645-3e88ae50cc1e" xlink:href="cdcx-20230930.xsd#cdcx_AccruedExpensesEmployeeRetentionCreditCARESAct"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_54083048-f20b-483d-9f71-9a41efe14a5d" xlink:to="loc_cdcx_AccruedExpensesEmployeeRetentionCreditCARESAct_12fb55f6-a933-48b4-9645-3e88ae50cc1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/JointVentureAgreementDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#JointVentureAgreementDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/JointVentureAgreementDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_5bb53283-4a06-4381-896d-2b5a7f321838" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_5bb53283-4a06-4381-896d-2b5a7f321838" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_eb035b04-c149-419e-b6c7-7d908abc6bf0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CounterpartyNameAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:to="loc_srt_CounterpartyNameAxis_eb035b04-c149-419e-b6c7-7d908abc6bf0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b1d2888e-34ae-4804-b36c-6e0f4415811a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CounterpartyNameAxis_eb035b04-c149-419e-b6c7-7d908abc6bf0" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b1d2888e-34ae-4804-b36c-6e0f4415811a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_HongKongChinaTaikukGroupLtdMember_bf50674d-ac96-4d0b-8dc3-9c0268a0229d" xlink:href="cdcx-20230930.xsd#cdcx_HongKongChinaTaikukGroupLtdMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b1d2888e-34ae-4804-b36c-6e0f4415811a" xlink:to="loc_cdcx_HongKongChinaTaikukGroupLtdMember_bf50674d-ac96-4d0b-8dc3-9c0268a0229d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_63284d08-c562-4253-821d-6b3f00ef146d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:to="loc_dei_LegalEntityAxis_63284d08-c562-4253-821d-6b3f00ef146d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_32f853a8-350b-436e-b5b6-4a61c5fe0990" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_63284d08-c562-4253-821d-6b3f00ef146d" xlink:to="loc_dei_EntityDomain_32f853a8-350b-436e-b5b6-4a61c5fe0990" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_HongKongChinaTaikukGroupLtdMember_5efb9c17-a355-4968-a8f0-9eb7051c50b6" xlink:href="cdcx-20230930.xsd#cdcx_HongKongChinaTaikukGroupLtdMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_32f853a8-350b-436e-b5b6-4a61c5fe0990" xlink:to="loc_cdcx_HongKongChinaTaikukGroupLtdMember_5efb9c17-a355-4968-a8f0-9eb7051c50b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_f18264f6-4d28-4787-96ae-d96eaca263cc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_f18264f6-4d28-4787-96ae-d96eaca263cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_2806ae8d-d13a-4e11-9520-4c7cafab6bb3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_f18264f6-4d28-4787-96ae-d96eaca263cc" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_2806ae8d-d13a-4e11-9520-4c7cafab6bb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ChromaDexAsiaPacificVenturesLimitedMember_dabb6eae-6a33-43b7-b5bf-f1dac7454fa4" xlink:href="cdcx-20230930.xsd#cdcx_ChromaDexAsiaPacificVenturesLimitedMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_2806ae8d-d13a-4e11-9520-4c7cafab6bb3" xlink:to="loc_cdcx_ChromaDexAsiaPacificVenturesLimitedMember_dabb6eae-6a33-43b7-b5bf-f1dac7454fa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_091eefd3-8c48-4349-bd44-e8b3d80874c6" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInJointVenture_4ae792e0-dbe7-465a-b578-99d7aa588548" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireInterestInJointVenture"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInJointVenture_4ae792e0-dbe7-465a-b578-99d7aa588548" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_InterestHeldInJointVentureNonVotingPercentage_c8956055-cb33-4f7a-aacc-2597761138c1" xlink:href="cdcx-20230930.xsd#cdcx_InterestHeldInJointVentureNonVotingPercentage"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_InterestHeldInJointVentureNonVotingPercentage_c8956055-cb33-4f7a-aacc-2597761138c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureAdditionalPaymentDueUponClosing_b73923d8-e768-4da3-a96a-31e628a2bcb0" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureAdditionalPaymentDueUponClosing"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureAdditionalPaymentDueUponClosing_b73923d8-e768-4da3-a96a-31e628a2bcb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureTermOfAgreement_46ba2367-9377-48af-bf18-d623df834be9" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureTermOfAgreement"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureTermOfAgreement_46ba2367-9377-48af-bf18-d623df834be9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureOwnershipPercentage_6ab6ad24-c246-4aca-9da7-161ceb9bbcc6" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureOwnershipPercentage"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureOwnershipPercentage_6ab6ad24-c246-4aca-9da7-161ceb9bbcc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_NumberOfDirectorsThatTheCompanyCanElectInJointVenture_f34f0b89-2f72-49ed-8797-79f698ee432f" xlink:href="cdcx-20230930.xsd#cdcx_NumberOfDirectorsThatTheCompanyCanElectInJointVenture"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_NumberOfDirectorsThatTheCompanyCanElectInJointVenture_f34f0b89-2f72-49ed-8797-79f698ee432f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureAdditionalPaymentDueUponBlueHatRegistration_48b1e3fe-0be3-4dec-818d-54604c288c7e" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureAdditionalPaymentDueUponBlueHatRegistration"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureAdditionalPaymentDueUponBlueHatRegistration_48b1e3fe-0be3-4dec-818d-54604c288c7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureBlueHatRegistrationDeadline_e173a2ad-f2e5-4fd0-b514-5e5603d5ec9a" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureBlueHatRegistrationDeadline"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureBlueHatRegistrationDeadline_e173a2ad-f2e5-4fd0-b514-5e5603d5ec9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVentureBlueHatRegistrationDeadlineExtensionTerm_855973d4-130c-44de-a7d7-c9dcbefdda5f" xlink:href="cdcx-20230930.xsd#cdcx_JointVentureBlueHatRegistrationDeadlineExtensionTerm"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVentureBlueHatRegistrationDeadlineExtensionTerm_855973d4-130c-44de-a7d7-c9dcbefdda5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_JointVenturePurchasePriceOfNonVotingInterestDueToRegistrationDeadlineExpiration_9f45b7c5-2342-4915-a19d-505a893ff806" xlink:href="cdcx-20230930.xsd#cdcx_JointVenturePurchasePriceOfNonVotingInterestDueToRegistrationDeadlineExpiration"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_JointVenturePurchasePriceOfNonVotingInterestDueToRegistrationDeadlineExpiration_9f45b7c5-2342-4915-a19d-505a893ff806" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_04ab5a00-8070-4750-a518-dc151e77007e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_04ab5a00-8070-4750-a518-dc151e77007e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageDiscountRate_57530645-363e-482e-83c9-d3191b5f915b" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageDiscountRate"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageDiscountRate_57530645-363e-482e-83c9-d3191b5f915b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfEstimatedFutureCashFlows_30a545fb-88b9-42f5-b96d-07a8d4e85d52" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfEstimatedFutureCashFlows"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfEstimatedFutureCashFlows_30a545fb-88b9-42f5-b96d-07a8d4e85d52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfTerminalValue_c766a550-d0fa-4d8e-9cf8-ddd8eace350a" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfTerminalValue"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_be299a7a-ba72-4953-a188-bd92a553468a" xlink:to="loc_cdcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPresentValueOfTerminalValue_c766a550-d0fa-4d8e-9cf8-ddd8eace350a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://cdcx.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="cdcx-20230930.xsd#SubsequentEventsDetails"/>
<link:presentationLink xlink:role="http://cdcx.com/role/SubsequentEventsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_4a7ec6b0-f66a-48f8-991d-79d537f01b63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_4c9bb20f-e248-4e6c-9781-be74b741b744" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_4a7ec6b0-f66a-48f8-991d-79d537f01b63" xlink:to="loc_us-gaap_SubsequentEventTable_4c9bb20f-e248-4e6c-9781-be74b741b744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_8c2cdf6d-85d8-4bb5-99ac-2b342009d552" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4c9bb20f-e248-4e6c-9781-be74b741b744" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_8c2cdf6d-85d8-4bb5-99ac-2b342009d552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_6f2ea391-cc42-4bde-8c6a-6eb4b57920ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8c2cdf6d-85d8-4bb5-99ac-2b342009d552" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_6f2ea391-cc42-4bde-8c6a-6eb4b57920ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d603b367-d8c2-45de-a6af-3d0ac5d65691" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_6f2ea391-cc42-4bde-8c6a-6eb4b57920ec" xlink:to="loc_us-gaap_SubsequentEventMember_d603b367-d8c2-45de-a6af-3d0ac5d65691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_e83be15e-64c7-4324-bff7-3774d3e1e6b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4c9bb20f-e248-4e6c-9781-be74b741b744" xlink:to="loc_us-gaap_SubsequentEventLineItems_e83be15e-64c7-4324-bff7-3774d3e1e6b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentAmount_79ea40d1-e468-4729-b188-16ac5e70e7ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermPurchaseCommitmentAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_e83be15e-64c7-4324-bff7-3774d3e1e6b0" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentAmount_79ea40d1-e468-4729-b188-16ac5e70e7ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_b672efc6-3064-4e3b-b5cb-c3e53a8c039d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_e83be15e-64c7-4324-bff7-3774d3e1e6b0" xlink:to="loc_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_b672efc6-3064-4e3b-b5cb-c3e53a8c039d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTimingDisclosure"/>
<link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember" xlink:href="cdcx-20230930.xsd#cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_cdcx_ShareBasedPaymentArrangementOptionOrStockAppreciationRightMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_FullValueAwardMember" xlink:href="cdcx-20230930.xsd#cdcx_FullValueAwardMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_cdcx_FullValueAwardMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<link:loc xlink:type="locator" xlink:label="loc_cdcx_ServicePeriodBasedStockOptionsMember" xlink:href="cdcx-20230930.xsd#cdcx_ServicePeriodBasedStockOptionsMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_cdcx_ServicePeriodBasedStockOptionsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgDiscLineItems" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgDiscLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMnpiDiscTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgMnpiDiscTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardTmgMnpiDiscTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMethodTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgMethodTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardTmgMethodTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgPredtrmndFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgPredtrmndFlag"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardTmgPredtrmndFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMnpiCnsdrdFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgMnpiCnsdrdFlag"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardTmgMnpiCnsdrdFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardTmgHowMnpiCnsdrdTextBlock"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_MnpiDiscTimedForCompValFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_MnpiDiscTimedForCompValFlag"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_MnpiDiscTimedForCompValFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardsCloseToMnpiDiscTableTextBlock"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardsCloseToMnpiDiscTable"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_IndividualAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_IndividualAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:to="loc_ecd_IndividualAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_IndividualAxis" xlink:to="loc_ecd_AllIndividualsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:to="loc_us-gaap_AwardTypeAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_EmployeeStockOptionMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockAppreciationRightsSARSMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscIndName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardsCloseToMnpiDiscIndName"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardsCloseToMnpiDiscIndName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardUndrlygSecuritiesAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardUndrlygSecuritiesAmt"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardUndrlygSecuritiesAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardExrcPrice" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardExrcPrice"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardExrcPrice" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AwardGrantDateFairValue" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AwardGrantDateFairValue"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_AwardGrantDateFairValue" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_UndrlygSecurityMktPriceChngPct" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_UndrlygSecurityMktPriceChngPct"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="loc_ecd_UndrlygSecurityMktPriceChngPct" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ErrCompDisclosure"/>
<link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_RecoveryOfErrCompDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ErrCompRecoveryTable" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ErrCompRecoveryTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ErrCompRecoveryTable" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDateAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_RestatementDateAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_ErrCompRecoveryTable" xlink:to="loc_ecd_RestatementDateAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_IndividualAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_IndividualAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_ErrCompRecoveryTable" xlink:to="loc_ecd_IndividualAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_IndividualAxis" xlink:to="loc_ecd_AllIndividualsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonNeosMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonNeosMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_ecd_NonNeosMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDeterminationDate" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_RestatementDeterminationDate"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_RestatementDeterminationDate" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AggtErrCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AggtErrCompAmt"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_AggtErrCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ErrCompAnalysisTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ErrCompAnalysisTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ErrCompAnalysisTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_StkPrcOrTsrEstimationMethodTextBlock"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingAggtErrCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_OutstandingAggtErrCompAmt"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_OutstandingAggtErrCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AggtErrCompNotYetDeterminedTextBlock"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryIndName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ForgoneRecoveryIndName"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ForgoneRecoveryIndName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingRecoveryIndName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_OutstandingRecoveryIndName"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_OutstandingRecoveryIndName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingRecoveryCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_OutstandingRecoveryCompAmt"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_OutstandingRecoveryCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_RestatementDoesNotRequireRecoveryTextBlock"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="loc_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/PvpDisclosure" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#PvpDisclosure"/>
<link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/PvpDisclosure" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PayVsPerformanceDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PvpTable" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PvpTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PvpTable" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ExecutiveCategoryAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ExecutiveCategoryAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PvpTable" xlink:to="loc_ecd_ExecutiveCategoryAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllExecutiveCategoriesMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllExecutiveCategoriesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_ExecutiveCategoryAxis" xlink:to="loc_ecd_AllExecutiveCategoriesMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeoMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AllExecutiveCategoriesMember" xlink:to="loc_ecd_PeoMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonPeoNeoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AllExecutiveCategoriesMember" xlink:to="loc_ecd_NonPeoNeoMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_IndividualAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_IndividualAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PvpTable" xlink:to="loc_ecd_IndividualAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_IndividualAxis" xlink:to="loc_ecd_AllIndividualsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToCompAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AdjToCompAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PvpTable" xlink:to="loc_ecd_AdjToCompAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllAdjToCompMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllAdjToCompMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_AdjToCompAxis" xlink:to="loc_ecd_AllAdjToCompMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_MeasureAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_MeasureAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PvpTable" xlink:to="loc_ecd_MeasureAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PvpTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PvpTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PvpTableTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CoSelectedMeasureName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CoSelectedMeasureName"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CoSelectedMeasureName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NamedExecutiveOfficersFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NamedExecutiveOfficersFnTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_NamedExecutiveOfficersFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeerGroupIssuersFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeerGroupIssuersFnTextBlock"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PeerGroupIssuersFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_ChangedPeerGroupFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_ChangedPeerGroupFnTextBlock"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_ChangedPeerGroupFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeoTotalCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeoTotalCompAmt"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PeoTotalCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeoActuallyPaidCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeoActuallyPaidCompAmt"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PeoActuallyPaidCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToPeoCompFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AdjToPeoCompFnTextBlock"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_AdjToPeoCompFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoAvgTotalCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonPeoNeoAvgTotalCompAmt"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_NonPeoNeoAvgTotalCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonPeoNeoAvgCompActuallyPaidAmt"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AdjToNonPeoNeoCompFnTextBlock"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_EquityValuationAssumptionDifferenceFnTextBlock"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CompActuallyPaidVsNetIncomeTextBlock"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TotalShareholderRtnVsPeerGroupTextBlock"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CompActuallyPaidVsOtherMeasureTextBlock"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TabularListTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TabularListTableTextBlock"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_TabularListTableTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TotalShareholderRtnAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TotalShareholderRtnAmt"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_TotalShareholderRtnAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeerGroupTotalShareholderRtnAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeerGroupTotalShareholderRtnAmt"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PeerGroupTotalShareholderRtnAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_us-gaap_NetIncomeLoss" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_CoSelectedMeasureAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_CoSelectedMeasureAmt"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_CoSelectedMeasureAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_OtherPerfMeasureAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_OtherPerfMeasureAmt"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_OtherPerfMeasureAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AdjToCompAmt"/>
<link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_AdjToCompAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_PeoName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_PeoName"/>
<link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_PeoName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_MeasureName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_MeasureName"/>
<link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_MeasureName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonGaapMeasureDescriptionTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonGaapMeasureDescriptionTextBlock"/>
<link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_NonGaapMeasureDescriptionTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_Additional402vDisclosureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_Additional402vDisclosureTextBlock"/>
<link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="loc_ecd_Additional402vDisclosureTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#InsiderTradingArrangements"/>
<link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTradingArrLineItems" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_InsiderTradingArrLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TradingArrByIndTable" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TradingArrByIndTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TradingArrByIndTable" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TradingArrAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TradingArrAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_TradingArrByIndTable" xlink:to="loc_ecd_TradingArrAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllTradingArrangementsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllTradingArrangementsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_TradingArrAxis" xlink:to="loc_ecd_AllTradingArrangementsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_IndividualAxis" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_IndividualAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_TradingArrByIndTable" xlink:to="loc_ecd_IndividualAxis" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_IndividualAxis" xlink:to="loc_ecd_AllIndividualsMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_MtrlTermsOfTrdArrTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_MtrlTermsOfTrdArrTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_MtrlTermsOfTrdArrTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrIndName" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrIndName"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrIndName" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrIndTitle" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrIndTitle"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrIndTitle" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_Rule10b51ArrAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_Rule10b51ArrAdoptedFlag"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_Rule10b51ArrAdoptedFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonRule10b51ArrAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonRule10b51ArrAdoptedFlag"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_NonRule10b51ArrAdoptedFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrAdoptionDate" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrAdoptionDate"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrAdoptionDate" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_Rule10b51ArrTrmntdFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_Rule10b51ArrTrmntdFlag"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_Rule10b51ArrTrmntdFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_NonRule10b51ArrTrmntdFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_NonRule10b51ArrTrmntdFlag"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_NonRule10b51ArrTrmntdFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrTerminationDate" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrTerminationDate"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrTerminationDate" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrDuration" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrDuration"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrDuration" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrSecuritiesAggAvailAmt" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_TrdArrSecuritiesAggAvailAmt"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="loc_ecd_TrdArrSecuritiesAggAvailAmt" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#InsiderTradingPoliciesProc"/>
<link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTradingPoliciesProcLineItems" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_InsiderTradingPoliciesProcLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_InsiderTrdPoliciesProcAdoptedFlag"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingPoliciesProcLineItems" xlink:to="loc_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ecd_InsiderTradingPoliciesProcLineItems" xlink:to="loc_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
</link:linkbase>


1 Subsequent Filing that References this Filing

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

 3/06/24  ChromaDex Corp.                   10-K       12/31/23   95:9.1M                                   Workiva Inc Wde… FA01/FA


3 Previous Filings that this Filing References

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

 3/17/23  ChromaDex Corp.                   8-K:5,9     3/16/23   11:332K                                   Workiva Inc Wde… FA01/FA
 3/15/18  ChromaDex Corp.                   10-K       12/30/17  104:9.3M                                   Blueprint/FA
 4/12/16  ChromaDex Corp.                   8-K:5,8,9   4/12/16    3:286K                                   SEC Connect
Top
Filing Submission 0001628280-23-037809   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Mon., May 13, 4:40:02.2am ET