(R)-2-(8-(((tert-butyldimethylsilyl)oxy)methyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl)-2-((trimethylsilyl)oxy)butanenitrile

9-氨基喜树碱

2-氨基苯甲醛

methyl 4-ethyl-8-methoxy-1H-pyrano[3,4-c]pyridine-6-carboxylate

methyl 4-ethyl-8-oxo-7,8-dihydro-1H-pyrano[3,4-c]pyridine-6-carboxylate