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