4-oxo-4-(4-pentyloxyphenyl)butyric acid

5-[4-(N,N-Diethylamino)phenyl]-5-oxovaleric acid

8-(2-Chloro-4-fluorophenyl)-8-oxooctanoic acid

5-(3-Chloro-6-methoxyphenyl)-5-oxovaleric acid

4-(2-Chloro-4,5-difluorophenyl)-4-oxobutyric acid

6-(2-Chloro-4,5-difluorophenyl)-6-oxohexanoic acid

8-(2,3,4,5-tetrafluorophenyl)-8-oxooctanoic acid

8-(2,4,5-trimethoxyphenyl)-8-oxooctanoic acid

4-(3-Methyl-2-thienyl)-4-oxobutyric acid

5-(4-tert-Butyl-2,6-dimethylphenyl)-5-oxovaleric acid

5-(5-Fluoro-2-methoxyphenyl)-5-oxovaleric acid