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