4-n-Butyl-2'-chlorobenzophenone

3,3'-Dichloro-4'-methylbenzophenone

4,4'-Dichloro-3-methylbenzophenone

3,4-Dichloro-3'-iodobenzophenone

3,5-Dichloro-3'-iodobenzophenone

3,4-Dimethoxy-4'-iodobenzophenone

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

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

4-tert-Butyl-3',5'-dimethyl-4'-methoxybenzophenone

3,4-Difluoro-4'-ethoxybenzophenone

3-Bromo-2'-ethylbenzophenone