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Accounts payable and accrued liabilities
3 Months Ended
Mar. 31, 2024
Payables and Accruals [Abstract]  
Accounts payable and accrued liabilities

Note 3 Accounts payable and accrued liabilities:

   March 31, 2024   December 31, 2023 
Trade accounts payable  $221,559   $474,585 
Pre-clinical research and development   249,733    202,998 
Accrued other   7,358    29,604 
Total  $478,650   $707,187