7-(4-Isopropylphenyl)-7-oxoheptanoic acid

7-(4-ethoxyphenyl)-7-oxoheptanoic acid

4-(4-hexyloxyphenyl)-4-oxobutyric acid

8-(4-hexyloxyphenyl)-8-oxooctanoic acid

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

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

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

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

5-(3-Chloro-6-methoxyphenyl)-5-oxovaleric acid

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

6-(2-Chloro-4,5-difluorophenyl)-6-oxohexanoic acid