AIDS-112799 AIDS112799 Camptothecinethylglycinate esterhydrochloride Glycine,N-ethyl-, 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)- NSC606497