3,4-Difluoro-3'-iodobenzophenone

3,4-Difluoro-3',5'-dimethoxybenzophenone

4-tert-Butyl-3',5'-dimethylbenzophenone

3,5-Dimethyl-2'-iodo-4-methoxybenzophenone

4-Ethoxy-2'-iodobenzophenone

3-Bromo-4'-ethoxybenzophenone

3,5-Dichloro-4'-ethoxybenzophenone

4-tert-Butyl-2'-ethylbenzophenone

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

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

4-tert-Butyl-4'-(ethylthio)benzophenone