6-(2-Bromophenyl)-6-oxohexanoic acid

8-(2-naphthyl)-8-oxooctanoic acid

5-(2,3-difluorophenyl)-5-oxovaleric acid

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

6-(2,6-difluorophenyl)-6-oxohexanoic acid

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

8-Cyclohexyl-8-oxooctanoic acid

8-cyclopropyl-8-oxooctanoic acid

5-Oxo-heptanoic acid

4-Oxoheptanoic acid

3-(1-Oxo-2-phenylethyl)benzoic acid