6-Methyl-5-oxoheptanoic acid

5-(2-iodophenyl)-5-oxovaleric acid

4-(3-Iodophenyl)-4-oxobutyric acid

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

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

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

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

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

4-oxo-4-(4-n-pentylphenyl)butyric acid

7-oxo-7-(4-n-pentylphenyl)heptanoic acid