4-(3,4-Difluorophenyl)-2,2-dimethyl-4-oxobutyric acid

7-(3,4-dichlorophenyl)-7-oxoheptanoic acid

8-(4-bromo-2-methylphenyl)-8-oxooctanoic acid

5-(3-bromo-5-methylphenyl)-5-oxovaleric acid

8-oxo-8-(2-trifluoromethylphenyl)octanoic acid

6-oxo-6-(2-trifluoromethylphenyl)hexanoic acid

8-(4-iodophenyl)-8-octanoic acid

8-Oxo-8-(4-trifluoromethylphenyl)octanoic acid

5-Oxo-5-(4-trifluoromethylphenyl)valeric acid

5-(2,5-dichlorophenyl)-5-oxovaleric acid

7-(4-Isopropylphenyl)-7-oxoheptanoic acid