Synonyms:
(4s)-9-amino-4-ethyl-4-hydroxy-1h-pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4h,12h)-dione ; camptothecin, 10-amino- ; 9-amino-20-camptothecin ; 10-aminocamptothecin ; 1h-pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4h,12h)-dione, 9-amino-4-ethyl-4-hydroxy-, (s)-