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

4-(2,3,4-trimethoxyphenyl)-4-oxobutyric acid

5-(2-(Methylthio)phenyl)-5-oxovaleric acid

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

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

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

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

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

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

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

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