Ethyl 5-fluoro-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-4-iodo-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 4-fluoro-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-4-iodo-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride