4-(3-Bromo-4-methylphenyl)-4-oxobutyric acid

5-oxo-5-(2-trifluoromethylphenyl)valeric acid

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

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

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

8-(4-Isopropylphenyl)-8-oxooctanoic acid

7-(2-ethoxyphenyl)-7-oxoheptanoic acid

5-oxo-5-(4-n-propoxyphenyl)valeric acid

5-oxo-5-(4-pentyloxyphenyl)valeric acid

7-(4-hexyloxyphenyl)-7-oxoheptanoic acid

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