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

6-(2,4,5-trimethoxyphenyl)-6-oxohexanoic acid

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

8-(4-n-Butylphenyl)-8-oxooctanoic acid

5-(2-(Methylthio)phenyl)-5-oxovaleric acid

4-(2,3,5,6-Tetramethylphenyl)-4-oxobutyric acid

4-(2,3,4,5,6-Pentamethylphenyl)-4-oxobutyric acid