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

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

5-(2,4,6-Trimethylphenyl)-5-oxovaleric acid

5-(2-Methoxy-5-methylphenyl)-5-oxovaleric acid

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

2,2-Dimethyl-4-(1-naphthyl)-4-oxobutyric acid

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

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

2,2-Dimethyl-4-oxo-4-(4-n-pentylphenyl)butyric acid

3-Methyl-5-oxo-5-(4-n-propylphenyl)valeric acid

2,2-Dimethyl-4-(3-methyl-2-thienyl)-4-oxobutyric acid