4-(2,4,5-trimethoxyphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-[2-(ethylthio)phenyl]-4-oxobutyric acid

2,2-Dimethyl-4-oxo-4-(4-n-pentylphenyl)butyric acid

2,2-Dimethyl-4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyric acid

2,2-Dimethyl-4-(2,4-dimethylphenyl)-4-oxobutyric acid

5-(3,4-Dimethylphenyl)-3-methyl-5-oxovaleric acid

4-(2,5-Dimethoxyphenyl)-2,2-dimethyl-4-oxobutyric acid

5-(4-Methoxy-2-methylphenyl)-3-methyl-5-oxovaleric acid

7-(2-chlorophenyl)-7-oxoheptanoic acid

ethyl 6-(3-bromophenyl)-6-oxohexanoate

ethyl 4-(2,5-dimethylphenyl)-4-oxobutyrate