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