Acetic acid, 2-(diethylamino)-, 4-ethyl-4,12-dihydro-3,14-dioxo-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-4-yl ester, (S)-, monohydrochloride CAMPTOTHECIN, 20-(N,N-DIETHYL) GLYCINATE Glycine, N,N-diethyl-, 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)- NSC364830