3-Carbethoxy-4-hydroxy-6.7-dimethoxyquinoline

2'-氨基-4',5'-二甲氧基苯乙酮

甲酸乙酯

5-(((3,4-dimethoxyphenyl)amino)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione

原甲酸三乙酯