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