(4S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione 1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4,7-diethyl-4,10-dihydroxy- 7-Ethyl-10-hydroxy-camptothecin 86639-52-3 Captothecin, 7-ethyl-10-hydroxy- SN 38 SN-38