7-(4-n-Butylphenyl)-7-oxoheptanoic acid

4-(3-Methyl-2-thienyl)-4-oxobutyric acid

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

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

3-Methyl-5-(2-methylphenyl)-5-oxovaleric acid

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

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

2,2-Dimethyl-4-oxo-4-(4-n-pentylphenyl)butyric acid

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

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

2,2-Dimethyl-4-(2,6-dimethylphenyl)-4-oxobutyric acid

5-(2,4-Dimethoxyphenyl)-3-methyl-5-oxovaleric acid

2,2-Dimethyl-4-(5-fluoro-2-methoxyphenyl)-4-oxobutyric acid

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

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