58546-27-3
12-nitro-(20S)-camptothecin
→
~94%
58546-28-4
(4S)-4α-Ethyl-4-hydroxy-7-amino-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
19685-10-0
9-甲氧基喜树碱