6-chloro-1-(4-methylphenyl)-1-oxohexane

4'-Bromo-3,3-dimethyl-3'-fluorobutyrophenone

3,3-Dimethyl-4'-fluorobutyrophenone

3,3-dimethyl-2'-trifluoromethylbutyrophenone

2',4'-Difluoro-3,3-dimethylbutyrophenone

4',2,2-Trimethylbutyrophenone

2'-carboethoxy-2,2-dimethylbutyrophenone

4'-chloro-2,2-dimethylbutyrophenone

2,2-Dimethyl-4'-fluorobutyrophenone

2'-Chloro-2,2-dimethylbutyrophenone

3'-Chloro-2,2-dimethyl-5'-fluorobutyrophenone