5-(3-Chloro-4-methylphenyl)-5-oxovaleric 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

5-(3-Fluoro-2-methylphenyl)-3-methyl-5-oxovaleric acid

4-(2,5-Dimethoxyphenyl)-2,2-dimethyl-4-oxobutyric acid

5-(3,5-Dimethoxyphenyl)-3-methyl-5-oxovaleric acid