Synonyms: (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,4,11-diethyl-4,9- dihydroxy-,(4S)-;Captothecin, 7-ethyl-10-hydroxy-;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;7-Ethyl-10-Hydroxycamptothecin (SN-38);7-Ethyl-10-Hydroxy CPT;7-Ethyl-10-Hydroxy Camptothecine;7-Ethyl-10-hydroxycamptothecin (TECANS);7-Ethyl-10-hydroxycamptothecin (SN38);7-Ethyl-10- Hydroxycamptothecin;7-Ehthy-10-Hydroxycamptothecin;7-etyl-10-hydroxycamptothecin;7-Ethyl-10-hydroxy-camptothecine;7-ethyl-Hydroxycamptothecin;7-ethyl-Camptothecin;