Methyl 4-cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Amino-2-(difluoromethyl)-6-methoxypyridine-5-sulfonyl chloride
2-Amino-5-cyanonicotinoyl chloride
4-Bromo-6-cyano-2-(difluoromethyl)pyridine-3-carbonyl chloride
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