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