ethyl 8-chloro-7-methyl-4-oxo-1H-quinoline-3-carboxylate

Diethyl {[(2-fluorophenyl)amino]methylene}malonate

ethyl 7-chloro-5-methoxy-4-oxo-1H-quinoline-3-carboxylate

ethyl 3-cyano-7-oxo-1H-pyrazolo[1,5-a]pyrimidine-6-carboxylate

2-([(1-甲基-1H-吡唑-5-基)氨基]亚甲基)丙二酸二乙酯