1000622-75-2
ethyl 3-(3-allyl-1H-pyrrolo[3,4-b]quinolin-2(3H)-yl)-3-oxopropanoate
→
1000622-77-4
ethyl 7-(2-ethoxy-2-oxoethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinoline-8-carboxylate
7689-03-4
喜树碱