4-(3,5-Dimethoxyphenyl)benzoic acid

4-(3,4-Dihydroxyphenyl)benzoic acid

4-(2,6-Dimethoxyphenyl)benzoic acid

4-(2,5-Dimethoxyphenyl)benzoic acid

4-(2,4-Dimethoxyphenyl)benzoic acid

4-(2,3-Dimethoxyphenyl)benzoic acid