7-(1-naphthyl)-7-oxoheptanoic acid

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

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

5-(2,4-difluorophenyl)-5-oxovaleric acid

7-(2,6-difluorophenyl)-7-oxoheptanoic acid

6-(2,6-difluorophenyl)-6-oxohexanoic acid

2,2-Dimethyl-4-(3-methoxyphenyl)-4-oxobutyric acid

5-Cyclohexyl-5-oxovaleric acid

4-Cyclopentyl-4-oxobutyric acid

6-Cyclopentyl-6-oxohexanoic acid

7-cyclobutyl-7-oxoheptanoic acid