4-(2,3-Dichlorophenyl)-4-oxobutyric acid

7-oxo-7-(3-trifluoromethylphenyl)heptanoic acid

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

6-(2,4-Dichlorophenyl)-6-oxohexanoic acid

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

6-oxo-6-(4-n-pentylphenyl)hexanoic acid

6-(4-hexylphenyl)-6-oxohexanoic acid

5-(4-Ethoxyphenyl)-5-oxovaleric acid

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

7-oxo-7-(4-pentyloxyphenyl)heptanoic acid

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

6-(4-heptyloxyphenyl)-6-oxohexanoic acid

6-(2,4-Dimethoxyphenyl)-6-oxohexanoic acid

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

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