5-Bromo-4-(difluoromethyl)-2-fluoro-3-(trifluoromethyl)pyridine
3-Bromo-6-cyano-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-6-fluoro-5-(trifluoromethyl)pyridine
4-Bromo-3-cyano-2-(difluoromethyl)-5-(trifluoromethyl)pyridine