3-Bromo-2-(bromomethyl)-5-chloro-4-(difluoromethyl)pyridine
2-Bromo-6-chloro-3-(difluoromethyl)-5-(trifluoromethyl)pyridine
6-Bromo-3-chloro-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-Bromo-5-chloro-3-(difluoromethyl)-6-(trifluoromethyl)pyridine