分子式:C15H19NO6
7-乙基-10-羟基喜树碱中间体 tert-butyl (4S)-4-ethyl-4,6-dihydroxy-3,10-dioxo-1,8-dihydropyrano[3,4-f]indolizine-7-carboxylate 7-乙基-10-羟基喜树碱 伊立替康