5-Oxo-6,6,6-trifluorohexanoic acid

5-(4-iodophenyl)-5-oxovaleric acid

4-Oxo-4-(4-trifluoromethylphenyl)butyric acid

5-(2,5-dichlorophenyl)-5-oxovaleric acid

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

8-(4-hexylphenyl)-8-oxooctanoic acid

5-(4-Ethoxyphenyl)-5-oxovaleric acid

7-Oxo-7-(4-isopropoxyphenyl)heptanoic acid

4-(4-heptyloxyphenyl)-4-oxobutyric acid

6-(2,3-Dimethoxyphenyl)-6-oxohexanoic acid

7-(3,4-Dimethoxyphenyl)-7-oxoheptanoic acid