5-Cyclopropyl-5-oxovaleric acid

8-(3,4-dichlorophenyl)-8-oxooctanoic acid

6-(4-bromo-2-methylphenyl)-6-oxohexanoic acid

6-(2-iodophenyl)-6-oxohexanoic 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