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

2,2-Dimethyl-4-[3,4-(ethylenedioxy)phenyl]-4-oxobutyric acid

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

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

5-(2,5-Dimethoxyphenyl)-3-methyl-5-oxovaleric acid

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

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

6-[4-(2-Methoxyethoxy)phenyl]-6-oxohexanoic acid

ethyl 8-(4-bromophenyl)-8-oxooctanoate

ethyl 6-(3-bromophenyl)-6-oxohexanoate

ethyl 7-(3-bromophenyl)-7-oxoheptanoate

ethyl 7-(2,5-dimethylphenyl)-7-oxoheptanoate

ethyl 8-(3,5-ditrifluoromethylphenyl)-8-oxooctanoate