3,3-Dimethyl-3'-methoxybutyrophenone

3,3-dimethyl-4'-thiomethylbutyrophenone

3,3,3',5'-tetramethylbutyrophenone

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

3,3-dimethyl-3',4',5'-trifluorobutyrophenone

3'-carboethoxy-2,2-dimethylbutyrophenone

2,2-Dimethyl-4'-fluorobutyrophenone

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

3',5'-difluoro-2,2-dimethylbutyrophenone

3'-Carboethoxy-2,2-dimethylpropiophenone

2,2,3',4'-tetramethylpropiophenone