quinicine

noun
quin·​i·​cine | \ ˈkwin-ə-ˌsēn How to pronounce quinicine (audio) , -sən How to pronounce quinicine (audio) \

Medical Definition of quinicine

: a bitter poisonous reddish yellow amorphous alkaloid C20H24N2O2 isomeric with quinine and obtained from cinchona bark or by heating a salt of quinine

called also quinotoxine