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

5-(4-hexylphenyl)-5-oxovaleric acid

7-(4-hexylphenyl)-7-oxoheptanoic acid

6-Oxo-6-(4-isopropoxyphenyl)hexanoic acid

5-(4-heptyloxyphenyl)-5-oxovaleric acid

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

8-(2,6-Dimethoxyphenyl)-8-oxooctanoic 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