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