10,11-Methylenedioxy-20(RS)-camptothecin 7-Ethyl-7-hydroxy-10H-[1,3]dioxolo[4,5-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11(7H,13H)-dione AIDS-160261 AIDS160261 NSC606174 {10H,12H-1,3-Dioxolo[4,} {5-g]pyrano[3',4':6,7]indolizino} {[1,2-b]quinoline-8,11(7H,} 10H)-dione, 7-ethyl-7-hydroxy-, (+-)