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