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