5-[3-(N,N-Dimethylamino)phenyl]-3-methyl-5-oxovaleric acid

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

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

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

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

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

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

4-[4-(2-Methoxyethoxy)phenyl]-4-oxobutyric acid

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

ethyl 5-(3-bromophenyl)-5-oxovalerate

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