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