6-(2-Chloro-4-fluorophenyl)-6-oxohexanoic acid

7-(3,4,5-trimethoxyphenyl)-7-oxoheptanoic acid

6-(4-n-Propylphenyl)-6-oxohexanoic acid

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

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

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

4-(5-Fluoro-2-methoxyphenyl)-4-oxobutyric acid

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

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

2,2-Dimethyl-4-oxo-4-(4-phenoxyphenyl)butyric acid

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