5-(3-Chloro-6-methoxyphenyl)-5-oxovaleric acid

4-(4-tert-Butyl-2,6-dimethylphenyl)-4-oxobutyric acid

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

4-(3-Fluoro-2-methylphenyl)-4-oxobutyric acid

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

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

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

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

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

2,2-Dimethyl-4-oxo-4-(2,4,6-trimethylphenyl)butyric acid

2,2-Dimethyl-4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyric acid