4-(3,5-Difluorophenyl)-2,2-dimethyl-4-oxobutyric acid

5-Oxononanoic acid

5-Oxo-6,6,6-trifluorohexanoic acid

4-(1,3-Dioxolan-2-ylmethyl)benzoic acid

7-(3-bromo-4-methylphenyl)-7-oxoheptanoic acid

7-Methyl-6-oxooctanoic acid

4-(3-Iodophenyl)-4-oxobutyric acid

4-Oxo-4-(2-trifluoromethylphenyl)butyric acid

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

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

5-oxo-5-(4-n-pentylphenyl)valeric acid