6-(2-Chloro-6-fluorophenyl)-6-oxohexanoic acid

7-(2,3,4-trimethoxyphenyl)-7-oxoheptanoic acid

4-[2-(Methylthio)phenyl]-4-oxobutyric 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