3-Carbethoxy-4-hydroxy-6.7-dimethoxyquinoline

3,4-二甲氧基苯胺

6,7-dimethoxy-4-oxo-1H-quinoline-3-carboxylic acid

[[(3,4-Dimethoxyphenyl)amino]methylene]malonic acid,diethyl ester

2'-氨基-4',5'-二甲氧基苯乙酮