ethyl N-(diphenylmethylene)-2-amino-4-pentenoate

ethyl 2-(8-formyl-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl)butanoate

ethyl 7-(1-ethoxy-1-oxobutan-2-yl)-9-oxo-5b,6,7,8,9,11-hexahydroindolizino[1,2-b]quinoline-8-carboxylate

ethyl 7-(1-ethoxy-1-oxobutan-2-yl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinoline-8-carboxylate

2,3-喹啉二甲醇