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