3-Iodo-6-nitro-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-(Bromomethyl)-3-(difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
5-(Bromomethyl)-4-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine