primaquine

noun
pri·​ma·​quine | \ ˈprī-mə-ˌkwēn How to pronounce primaquine (audio) , ˈprim-ə- How to pronounce primaquine (audio) , -kwin\

Medical Definition of primaquine

: an antimalarial drug used in the form of its diphosphate C15H21N3O·2H3PO4