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