2,2-dimethyl-4-oxo-4-(4-thiomethylphenyl)butryic acid

5-(4-bromo-2-methylphenyl)-5-oxovaleric acid

7-Methyl-6-oxooctanoic acid

8-(2-iodophenyl)-8-oxooctanoic acid

5-oxo-5-(2-trifluoromethylphenyl)valeric acid

7-(3-iodophenyl)-7-oxoheptanoic acid

5-Oxo-5-(3-trifluoromethylphenyl)valeric acid

4-(2,4-Dichlorophenyl)-4-oxobutyric acid

7-(2,5-dichlorophenyl)-7-oxoheptanoic acid

8-(2,5-dichlorophenyl)-8-oxooctanoic acid

8-(4-t-Butylphenyl)-8-oxooctanoic acid