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