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

8-(4-heptyloxyphenyl)-8-oxooctanoic acid

4-(2,6-Dimethoxyphenyl)-4-oxobutyric acid

7-(3,5-Dimethoxyphenyl)-7-oxoheptanoic acid

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

8-[3-(N,N-Dimethylamino)phenyl]-8-oxooctanoic acid

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

7-(4-Chloro-2-fluorophenyl)-7-oxoheptanoic acid

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

7-(2-Chloro-6-fluorophenyl)-7-oxoheptanoic acid

6-(2,3,4,5-tetrafluorophenyl)-6-oxohexanoic acid

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

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

5-(2-(Methylthio)phenyl)-5-oxovaleric acid

4-(2,4,6-Trimethylphenyl)-4-oxobutyric acid