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