4-oxo-4-(4-n-pentylphenyl)butyric acid

7-(2,6-Dimethoxyphenyl)-7-oxoheptanoic acid

2,2-Dimethyl-4-(3-fluoro-4-methoxyphenyl)-4-oxobutyric acid

4-[4-(N,N-Diethylamino)phenyl]-4-oxobutyric acid

6-[4-(N,N-Diethylamino)phenyl]-6-oxohexanoic acid

6-(2-Chloro-4-fluorophenyl)-6-oxohexanoic acid

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

6-[2-Chloro-4-(methylthio)phenyl]-6-oxohexanoic acid

5-(2-Chloro-6-fluorophenyl)-5-oxovaleric acid

8-(2-Chloro-4,5-difluorophenyl)-8-oxooctanoic acid

4-(3,4,5-Trichlorophenyl)-4-oxobutyric acid