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