4'-cyano-3,3-dimethylbutyrophenone

2',3,3,4'-tetramethylbutyrophenone

3,3-dimethyl-2'-fluorobutyrophenone

2',5'-dichloro-3,3-dimethylbutyrophenone

2,2-dimethyl-2'-methoxybutyrophenone

4'-Cyano-2,2-dimethylbutyrophenone

2,2-dimethyl-4'-thiomethylbutyrophenone

2,2,3',4'-tetramethylbutyrophenone

2,2,3',5'-tetramethylbutyrophenone

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

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