3-Bromo-5-(difluoromethyl)-2-hydroxypyridine-6-sulfonamide
5-Bromo-4-(difluoromethyl)-2-hydroxypyridine-3-sulfonamide
5-Bromo-2-(difluoromethyl)-4-fluoropyridine-3-methanol
5-Bromo-4-(difluoromethyl)-3-hydroxypyridine-2-sulfonamide
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