7-[3-(N,N-Dimethylamino)phenyl]-7-oxoheptanoic acid

7-[4-(N,N-Diethylamino)phenyl]-7-oxoheptanoic acid

4-(3-Chloro-6-methoxyphenyl)-4-oxobutyric acid

5-(2-Chloro-4-(methylthio)phenyl)-5-oxovaleric acid

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

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

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

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

7-(4-n-Propylphenyl)-7-oxoheptanoic acid

5-(2,3,5,6-Tetramethylphenyl)-5-oxovaleric acid

4-(3-Fluoro-2-methylphenyl)-4-oxobutyric acid

5-(3-Chloro-4-methylphenyl)-5-oxovaleric acid

2,2-Dimethyl-4-(3-ethoxyphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-[2-(ethylthio)phenyl]-4-oxobutyric acid

2,2-Dimethyl-4-oxo-4-(4-n-propylphenyl)butyric acid