8-(3,4,5-trimethoxyphenyl)-8-oxooctanoic acid

4-(4-Chloro-2-methylphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-(3-methylphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-[2-(methylthio)phenyl]-4-oxobutyric acid

3-Methyl-5-oxo-5-(4-phenoxyphenyl)valeric acid

4-(4-tert-Butylphenyl)-2,2-dimethyl-4-oxobutyric acid

3-Methyl-5-oxo-5-(4-n-pentylphenyl)valeric acid

3-Methyl-5-oxo-5-(2,3,4,5,6-pentamethylphenyl)valeric acid

2,2-Dimethyl-4-oxo-4-(2,3,5,6-tetramethylphenyl)butyric acid

3-Methyl-5-[3,4-(methylenedioxy)phenyl]-5-oxovaleric acid

5-(2,6-Dimethylphenyl)-3-methyl-5-oxovaleric acid