2,5-Difluoro-4-(difluoromethyl)pyridine-3-sulfonamide
4,6-Difluoro-2-(difluoromethyl)pyridine-3-sulfonamide
2,4-Difluoro-5-(difluoromethyl)pyridine-3-sulfonamide
2,3-Difluoro-6-(difluoromethyl)pyridine-5-sulfonamide
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