6-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Cyano-5-iodo-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Cyano-5-iodo-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Cyano-2-iodo-3-(trifluoromethoxy)pyridine-4-sulfonamide
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