3-Bromo-6-(bromomethyl)-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
5-Bromo-2-(bromomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine
5-Chloro-4-(difluoromethyl)-2-fluoro-3-iodopyridine
5-Bromo-2-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine