4-(4-Bromo-2-methylphenyl)-4-oxobutyric acid

8-Methyl-7-oxononanoic acid

6-(4-iodophenyl)-6-oxohexanoic acid

5-Oxo-5-(3-trifluoromethylphenyl)valeric acid

8-(2,4-dichlorophenyl)-8-oxooctanoic acid

7-(4-ethylphenyl)-7-oxoheptanoic acid

4-(4-Hexylphenyl)-4-oxobutyric acid

6-Oxo-6-(4-n-propoxyphenyl)hexanoic acid

8-Oxo-8-(4-isopropoxyphenyl)octanoic acid

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

8-(2,3-Dimethoxyphenyl)-8-oxooctanoic acid