4-Ethyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-4-yl (butylamino)acetate hydrochloride AIDS-156341 AIDS156341 Camptothecin butylglycinate ester hydrochloride Glycine, N-butyl-, 4-ethyl-3,4,12,14-tetrahydro-3,14-dioxo- 1H-pyrano[3', 4':6,7]indolizino[1,2-b]quinolin-4-yl ester, monohydrochloride, (S)- Glycine, N-butyl-, 4-ethyl-3,4,12,14-tetrahydro-3,14-dioxo- {1H-pyrano[3',} {4':6,7]indolizino[1,2-b]quinolin-4-yl} ester, monohydrochloride, (S)- NSC606499 (HYDROCHLORIDE SALT)