maytansine

noun
may·​tan·​sine | \ ˈmā-ˌtan-ˌsēn How to pronounce maytansine (audio) \

Medical Definition of maytansine

: an antineoplastic agent C34H46ClN3O10 isolated from several members of a genus (Maytenus of the family Celastraceae) of tropical American shrubs and trees