2-Bromo-5-(difluoromethyl)pyridine-4-sulfonamide
2-Bromo-4-(difluoromethyl)pyridine-3-sulfonamide
3-Bromo-5-(difluoromethyl)pyridine-2-sulfonamide
3-Bromo-4-(difluoromethyl)pyridine-5-sulfonamide
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