cinchonamine

noun
cin·​chon·​amine | \ siŋ-ˈkō-nə-ˌmēn How to pronounce cinchonamine (audio) , sin-ˈchō- How to pronounce cinchonamine (audio) , -mən\

Medical Definition of cinchonamine

: a white crystalline alkaloid C19H24N2O obtained from some South American shrubs (genus Remijia) of the madder family that has been used as a substitute for and is more toxic than quinine