3-(Difluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-2-methanol
4-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol
2-(Bromomethyl)-6-iodo-4-nitro-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol