6-(3,5-difluorophenyl)-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

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

6-(4-bromo-2-methylphenyl)-6-oxohexanoic acid