醋酸

4-ethyl-4-hydroxy-1,5b,6,11,11a,12-hexahydro-4H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione

喜树碱

喜树碱氮氧化物

(S)-4-ethyl-4-hydroxy-6-iodo-8-methoxy-1,4-dihydro-pyrano[3,4-c]pyridin-3-one