5-Bromo-2-chloro-4-(difluoromethyl)pyridine-3-sulfonamide
5-Bromo-2-chloro-3-(difluoromethyl)pyridine-4-sulfonamide
4-Bromo-3-chloro-6-(difluoromethyl)pyridine-2-sulfonamide
4-Bromo-3-chloro-5-(difluoromethyl)pyridine-2-sulfonamide
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