3'-Chloro-3,3-dimethylbutyrophenone

3'-chloro-3,3-dimethyl-5'-fluorobutyrophenone

4',2,2-Trimethylbutyrophenone

2,2-dimethyl-4'-thiomethylbutyrophenone

2',2,2,4'-tetramethylbutyrophenone

4'-Bromo-2,2-dimethyl-2'-fluorobutyrophenone

3',5'-Dichloro-2,2-dimethylbutyrophenone

2,2-dimethyl-4'-thiomethylpropiophenone

3'-Chloro-2,2-dimethylpropiophenone

2,2-dimethyl-4'-trifluoromethylpropiophenone

3',4'-Dichloro-2,2-dimethylpropiophenone