Diaminopyrimidine
# Diaminopyrimidine

Diaminopyrimidines (DAP) are a class of organic chemical compounds that include two amine groups on a pyrimidine ring.

They include many dihydrofolate reductase inhibitor drugs (such as pyrimethamine, trimetrexate, and piritrexim and the antibiotics Iclaprim and trimethoprim).

Some have been patented as anti-cancer drugs.

