(19S)-19-(dimethylamino)methyltriptonide

(5R,5bR,6aS,7aR,8R,8aS,9aS,9bS,10aS,10bS)-5-hydroxy-8a-isopropyl-10b-methyl-8-((methylthio)methoxy)-2,5,5b,6,6a,8,8a,9a,9b,10b-decahydrotris(oxireno)[2',3':4b,5;2'',3'':6,7;2''',3''':8a,9]phenanthro[1,2-c]furan-3(1H)-one