3'-Fluoro-2-iodo-4'-methoxybenzophenone

2-Chloro-3'-methylbenzophenone

3-Bromo-4'-n-pentylbenzophenone

2-Bromo-4'-n-pentylbenzophenone

2-Chloro-4'-n-propylbenzophenone

4-Iodo-4'-n-propylbenzophenone

2-Chloro-4'-(methylthio)benzophenone

2-Bromo-4'-(methylthio)benzophenone

4-Iodo-3',4',5'-trifluorobenzophenone

3,5-Difluoro-3',4',5'-trifluorobenzophenone

2-Chloro-3-[2-(3-cyanophenyl)-1-oxoethyl]pyridine