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

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

6-(4-Ethylphenyl)-6-oxohexanoic acid

4-(4-Hexylphenyl)-4-oxobutyric acid

8-(4-ethoxyphenyl)-8-oxooctanoic acid

7-oxo-7-(4-n-propoxyphenyl)heptanoic acid

4-Oxo-4-(4-isopropoxyphenyl)butyric acid

5-(4-heptyloxyphenyl)-5-oxovaleric acid

6-(2,3-Dimethoxyphenyl)-6-oxohexanoic acid

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

4-(2-Methyl-5-fluorophenyl)-4-oxobutyric acid

5-[4-(N,N-Diethylamino)phenyl]-5-oxovaleric acid

4-(2-Chloro-4-fluorophenyl)-4-oxobutyric acid

4-(4-Chloro-2-fluorophenyl)-4-oxobutyric acid

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