5-oxo-5-(2-trifluoromethylphenyl)valeric acid

7-(2,3-Dimethoxyphenyl)-7-oxoheptanoic acid

5-(2,6-Dimethoxyphenyl)-5-oxovaleric acid

4-[3-(N,N-Dimethylamino)phenyl]-4-oxobutyric acid

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

8-[3-(N,N-Dimethylamino)phenyl]-8-oxooctanoic acid

7-(2-Chloro-4-fluorophenyl)-7-oxoheptanoic acid

6-(5-Chloro-2-methoxyphenyl)-6-oxohexanoic acid

7-(5-Chloro-2-methoxyphenyl)-7-oxoheptanoic acid

8-[2-Chloro-4-(methylthio)phenyl]-8-oxooctanoic acid

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