6-(3-chlorophenyl)-6-oxohexanoic acid

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

6-Cyclohexyl-6-oxohexanoic acid

7-cyclopentyl-7-oxoheptanoic acid

5-Cyclopentyl-5-oxovaleric acid

8,8-dimethyl-7-oxononanoic acid

8-oxotridecanoic acid

7-oxoundecanoic acid

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

3-(2-Oxo-2-phenylethyl)benzoic acid

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