5-(2-Naphthyl)-5-oxovaleric 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

7,7-Dimethyl-6-oxooctanoic acid

7-Oxo-nonanoic acid