6-(3,5-Dichlorophenyl)-6-oxohexanoic acid

5-(1-Naphthyl)-5-oxovaleric acid

5-oxo-5-(9-Phenanthryl)valeric acid

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

4-(2-Fluorophenyl)-4-oxobutyric acid

8-(4-Biphenyl)-8-oxooctanoic acid

2,2-dimethyl-4-(2-methoxyphenyl)-4-oxobutyric acid

5,5-Dimethyl-4-oxohexanoic acid

4-Oxooctanoic acid

7-Oxo-nonanoic acid

5-Oxo-5-(4-pyridyl)valeric acid