2-Bromo-4-(difluoromethyl)pyridine-6-sulfonamide
2-Bromo-3-(difluoromethyl)pyridine-6-sulfonamide
3-Amino-6-(difluoromethyl)pyridine-2-sulfonamide
6-Amino-2-(difluoromethyl)pyridine-3-sulfonamide
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