3-Bromo-2-(chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine
6-Bromo-3-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine
2-Bromo-5-chloro-3-(trifluoromethoxy)pyridine-4-acetonitrile
5-Bromo-3-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine