11-Chloro-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione 41646-05-3 7-Chlorocamptothecin AIDS-128241 AIDS128241 NSC249910 {1H-Pyrano[3',4':6,7]indolizino[1,} 2-b\]quinoline-3,14(4H,12H)- dione, 11-chloro-4-ethyl-4-hydroxy-, (S)-