Ethyl 2-(difluoromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Iodo-5-nitro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
3-Iodo-4-nitro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
3-Iodo-4-nitro-2-(trifluoromethoxy)pyridine-6-carbonyl chloride