5-(2,3,4,5,6-Pentamethylphenyl)-5-oxovaleric acid

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

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

3-Methyl-5-(3-methyl-2-thienyl)-5-oxovaleric acid

2,2-Dimethyl-4-(2,5-dimethylphenyl)-4-oxobutyric acid

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

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

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

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

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

ethyl 8-(2,5-dimethylphenyl)-8-oxooctanoate