4-(3-Ethoxyphenyl)-4-oxobutyric acid

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

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

5-(3,5-Dimethyl-4-methoxyphenyl)-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