6-(2,3,4-trimethoxyphenyl)-6-oxohexanoic acid

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

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

5-(4-Chloro-2-methylphenyl)-5-oxovaleric acid

3-Methyl-5-(1-naphthyl)-5-oxovaleric acid

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

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

3-Methyl-5-oxo-5-(2,4,5-trimethylphenyl)valeric acid

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

3-Methyl-5-[3,4-(methylenedioxy)phenyl]-5-oxovaleric acid

5-(2,4-Dimethylphenyl)-3-methyl-5-oxovaleric acid

4-(3,5-Dimethoxyphenyl)-2,2-dimethyl-4-oxobutyric acid

2,2-Dimethyl-4-(5-methoxy-2-methylphenyl)-4-oxobutyric acid

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

5-[4-(2-Methoxyethoxy)phenyl]-5-oxovaleric acid