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

3-Methyl-5-oxo-5-(2,4,6-trimethylphenyl)valeric acid

2,2-Dimethyl-4-oxo-4-(2,3,4,5,6-pentamethylphenyl)butyric acid

4-(5-Chloro-2-thienyl)-2,2-dimethyl-4-oxobutyric acid

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

5-(3-Fluoro-2-methylphenyl)-3-methyl-5-oxovaleric acid

5-(4-Fluoro-3-methylphenyl)-3-methyl-5-oxovaleric acid

5-(4-Methoxy-2-methylphenyl)-3-methyl-5-oxovaleric acid

8-(2-chlorophenyl)-8-oxooctanoic acid

Ethyl 6-(4-bromophenyl)-6-oxohexanoate

Ethyl 7-(4-fluorophenyl)-7-oxoheptanoate

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

Ethyl 7-oxo-7-phenylheptanoate

Ethyl 4-(3,4-dimethylphenyl)-4-oxobutyrate

Ethyl 4-(2-bromophenyl)-4-oxobutyrate