AC1Q2RU2

camptothecin-7-aldehyde

(S)-(4-ethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-11-yl)methyl 2-phenylacetate

7-acetoxymethylcamptothecin

7-Methoxymethylcamptothecin