5-[3-(N,N-Dimethylamino)phenyl]-5-oxovaleric acid

5-(4-Chloro-2-methoxyphenyl)-5-oxovaleric acid

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

7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoic acid

7-(3,4,5-trichlorophenyl)-7-oxoheptanoic acid

6-(3,4,5-trimethoxyphenyl)-6-oxohexanoic acid

4-(2,3,4-trimethoxyphenyl)-4-oxobutyric acid

6-(4-n-Butylphenyl)-6-oxohexanoic acid

4-[2-(Methylthio)phenyl]-4-oxobutyric acid

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

5-(3-Fluoro-2-methylphenyl)-5-oxovaleric acid