英文别名4-Ethyl-4-hydroxy-3,4,12,14-tetrahydro-1H-pyrano[3,4:6,7]indolizino[1,2-b]quinolin; 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-; 4-ethyl-4-hydroxy-1,12-dihydro-4H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione; Camptothecine,(+-); camptothecin; dl-camptothecin; 4-ethyl-4-hydroxy-1h-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4h,12h)-dione; 4-Ethyl-4-hydroxy-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione 
