5-(2-Chloro-4,5-difluorophenyl)-5-oxovaleric acid

4-(2,3,4,5,6-Pentamethylphenyl)-4-oxobutyric acid

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

2,2-Dimethyl-4-[3-(N,N-dimethylamino)phenyl]-4-oxobutyric acid

5-(4-Ethoxyphenyl)-3-methyl-5-oxovaleric acid

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

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

2,2-Dimethyl-4-(2,6-dimethylphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-(5-fluoro-2-methylphenyl)-4-oxobutyric acid

4-(3,4-Dimethoxyphenyl)-2,2-dimethyl-4-oxobutyric acid

5-(4-Chloro-2-methylphenyl)-3-methyl-5-oxovaleric acid