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