4-oxo-4-(4-n-propoxyphenyl)butyric acid

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

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

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

4-(2-Chloro-6-fluorophenyl)-4-oxobutyric acid

4-(3,4,5-trimethoxyphenyl)-4-oxobutyric acid

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

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

4-(3-Ethoxyphenyl)-4-oxobutyric acid

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

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