6-(3,4-difluorophenyl)-6-oxohexanoic acid

8-(2-Methoxyphenyl)-8-oxooctanoic acid

8-(1-naphthyl)-8-oxooctanoic acid

5-(2,4-difluorophenyl)-5-oxovaleric acid

6-(2,5-difluorophenyl)-6-oxohexanoic acid

2,2-dimethyl-4-oxo-4-(3,4,5-trifluorophenyl)butryic acid

5-Cyclobutyl-5-oxovaleric acid

4-Cyclobutyl-4-oxobutyric acid

8-Oxo-decanoic acid

5-Oxononanoic acid

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