6-(3-iodophenyl)-6-oxohexanoic acid

8-(2,4-dichlorophenyl)-8-oxooctanoic acid

7-(4-ethylphenyl)-7-oxoheptanoic acid

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

6-Oxo-6-(4-n-propoxyphenyl)hexanoic acid

8-Oxo-8-(4-isopropoxyphenyl)octanoic acid

5-(2,3-Dimethoxyphenyl)-5-oxovaleric acid

8-(2,3-Dimethoxyphenyl)-8-oxooctanoic acid

8-(2,5-Dimethoxyphenyl)-8-oxooctanoic acid

2,2-Dimethyl-4-(3-fluoro-4-methoxyphenyl)-4-oxobutyric acid

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