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