4-tert-Butyl-4'-ethoxybenzophenone

4-Ethyl-2'-iodobenzophenone

4-Bromo-3',4'-(ethylenedioxy)benzophenone

3,4-Difluoro-3',4'-(ethylenedioxy)benzophenone

3,4-Dichloro-3'-fluorobenzophenone

2-Chloro-3'-fluoro-4'-methoxybenzophenone

3'-Fluoro-4-iodo-4'-methylbenzophenone

3,5-Dichloro-3'-fluoro-4'-methylbenzophenone

3-Chloro-4'-fluoro-3'-methylbenzophenone

3,4',5-Trifluoro-3'-methylbenzophenone

3,5-Difluoro-2'-methylbenzophenone