(Z)-2-(3,4,5-trimethoxyphenyl)-4-(3,4-methylenedioxyphenyl)-4-oxo-2-butenoic acid

4-(3,4-methylenedioxyphenyl)-4-oxo-2-(3,4,5-trimethoxyphenyl)butyric acid

3,4,5-三甲氧基苯甲酸