8-(2-Chloro-6-fluorophenyl)-8-oxooctanoic acid

8-(4-n-Butylphenyl)-8-oxooctanoic acid

4-(3-Ethoxyphenyl)-4-oxobutyric acid

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

3-Methyl-5-(2-methylphenyl)-5-oxovaleric acid

3-Methyl-5-(2-(methylthio)phenyl)-5-oxovaleric acid

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

5-(4-tert-Butyl-3,5-dimethylphenyl)-3-methyl-5-oxovaleric acid

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

2,2-Dimethyl-4-(3,4-dimethylphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-(3-fluoro-2-methylphenyl)-4-oxobutyric acid