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

7-(5-Chloro-2-methoxyphenyl)-7-oxoheptanoic acid

5-(2-Chloro-6-fluorophenyl)-5-oxovaleric acid

4-(2,3,4,5-tetrafluorophenyl)-4-oxobutyric acid

5-(3,4,5-trimethoxyphenyl)-5-oxovaleric acid

7-(2,4,5-trimethoxyphenyl)-7-oxoheptanoic acid

8-(2,3,4-trimethoxyphenyl)-8-oxooctanoic acid

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

5-(2,4,5-Trimethylphenyl)-5-oxovaleric acid

5-(5-Fluoro-2-methoxyphenyl)-5-oxovaleric acid

5-[4-(N,N-Dimethylamino)phenyl]-3-methyl-5-oxovaleric acid

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

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

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

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