8-(3-bromo-4-methylphenyl)-8-oxooctanoic acid

8-(4-iodophenyl)-8-octanoic acid

6-Oxo-6-(3-trifluoromethylphenyl)hexanoic acid

7-(2,4-dichlorophenyl)-7-oxoheptanoic acid

6-(4-Ethylphenyl)-6-oxohexanoic acid

4-(2-Ethoxyphenyl)-4-oxobutyric acid

8-(2-ethoxyphenyl)-8-oxooctanoic acid

5-Oxo-5-(4-isopropoxyphenyl)valeric acid

8-oxo-8-(4-pentyloxyphenyl)octanoic acid

6-(2,5-Dimethoxyphenyl)-6-oxohexanoic acid

5-(2,6-Dimethoxyphenyl)-5-oxovaleric acid