羟基喜树碱

(S)-9-acetoxy-4-ethyl-4-hydroxy-1,12-dihydro-4H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione

喜树碱

9-甲氧基喜树碱

9-硝基喜树碱