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

2-Iodo-4'-n-pentylbenzophenone

4-Iodo-4'-n-pentylbenzophenone

4-tert-Butyl-4'-n-propylbenzophenone

2-Bromo-2'-(thiomethyl)benzophenone

3,4-Difluoro-2'-(thiomethyl)benzophenone

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

4-Bromo-3',4',5'-trifluorobenzophenone

2-Chloro-3-(3-ethoxycarbonylbenzoyl)pyridine

2-chloro-5-picolinoylpyridine

2-chloro-5-(2-thenoyl)pyridine