5-chloro-1-(4-methylphenyl)-1-oxopentane

4'-chloro-3,3-dimethyl-3'-fluorobutyrophenone

3,3-dimethyl-3'-trifluoromethylbutyrophenone

3',5'-Difluoro-3,3-dimethylbutyrophenone

4'-carboethoxy-2,2-dimethylbutyrophenone

2',2,2,3'-Tetramethylbutyrophenone

2'-Chloro-2,2-dimethylbutyrophenone

3',4'-dichloro-2,2-dimethylbutyrophenone

3',2,2-Trimethylpropiophenone

2,2-Dimethyl-4'-fluoropropiophenone

4'-Bromo-2,2-dimethyl-3'-fluoropropiophenone