2-Cyano-3-(difluoromethyl)pyridine-6-sulfonyl chloride
6-Cyano-2-(difluoromethyl)pyridine-3-methanol
3-(Difluoromethyl)-4-nitropyridine-2-sulfonamide
6-Cyano-3-(difluoromethyl)pyridine-2-methanol
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