4-[2-Chloro-4-(methylthio)phenyl]-4-oxobutyric acid

8-(3,4,5-Trichlorophenyl)-8-oxooctanoic acid

6-(4-n-Propylphenyl)-6-oxohexanoic acid

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

4-(2,4,5-Trimethylphenyl)-4-oxobutyric acid

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

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

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

2,2-Dimethyl-4-oxo-4-(2,4,6-trimethylphenyl)butyric acid

3-Methyl-5-oxo-5-(3,4,5-trimethoxyphenyl)valeric acid

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