3-Bromo-6-(difluoromethyl)-2-hydroxypyridine-5-sulfonamide
Methyl 2-bromo-5-cyano-6-(difluoromethyl)pyridine-3-carboxylate
5-Bromo-2-(difluoromethyl)-3-hydroxypyridine-4-sulfonamide
Methyl 6-bromo-3-cyano-4-(difluoromethyl)pyridine-2-carboxylate
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