6-Fluoro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-3-fluoro-2-mercaptopyridine
2-Chloro-3-hydroxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 2-(difluoromethyl)-3-hydroxy-4-methoxypyridine-6-carboxylate
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