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