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