5-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetonitrile
5-Cyano-2-(trifluoromethyl)isonicotinoyl chloride
5-(Difluoromethyl)-2-hydroxy-3-iodopyridine-6-sulfonyl chloride
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