1-Cyclopentyl-3-(2,4-dimethoxyphenyl)propan-1-one

3,3,3',4'-tetramethylbutyrophenone

3,3-dimethyl-2'-trifluoromethylbutyrophenone

2,2-dimethyl-2'-methoxybutyrophenone

3'-bromo-2,2-dimethylbutyrophenone

2',2,2,5'-Tetramethylbutyrophenone

4'-chloro-2,2-dimethyl-2'-fluorobutyrophenone

2',4'-difluoro-2,2-dimethylbutyrophenone

2'-Carboethoxy-2,2-dimethylpropiophenone

3'-Bromo-2,2-dimethylpropiophenone

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