diethyl 2-(naphthalen-1-ylmethylidene)propanedioate

ethyl 6,7-dimethoxyquinoline-3-carboxylate

1,3,5-噻嗪并[1,2-a]苯并咪唑-2-胺

4-butylamino-3-methyl-isoxazolo[5,4-b]pyridine-5-carboxylic acid ethyl ester

diethyl (4-cyano-5-pyrazolyl)aminomethylenemalonate