7-(2-ethoxyphenyl)-7-oxoheptanoic acid

8-(3,5-Dimethoxyphenyl)-8-oxooctanoic acid

6-[4-(N,N-Diethylamino)phenyl]-6-oxohexanoic acid

8-(4-Chloro-2-fluorophenyl)-8-oxooctanoic acid

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

5-(2-Chloro-4,5-difluorophenyl)-5-oxovaleric acid

5-(3,4,5-trichlorophenyl)-5-oxovaleric acid

7-(2,4,5-trimethoxyphenyl)-7-oxoheptanoic acid

6-(4-n-Butylphenyl)-6-oxohexanoic acid

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

5-(2-Methoxy-5-methylphenyl)-5-oxovaleric acid