3,4-Dichloro-3',5'-dimethoxybenzophenone

3,5-Dichloro-4'-ethoxybenzophenone

2-Bromo-4'-ethylbenzophenone

3,4-(Ethylenedioxy)-3'-iodobenzophenone

3,4-(Ethylenedioxy)-4'-iodobenzophenone

3,3',5-Trifluorobenzophenone

3,4',5-Trifluorobenzophenone

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

2-Chloro-3'-fluoro-5'-methylbenzophenone

4'-Fluoro-2-iodo-3'-methylbenzophenone

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