3-Bromo-2-(difluoromethyl)-5-nitropyridine-6-sulfonyl chloride
2-Chloro-5-cyano-3-(difluoromethyl)pyridine-4-methanol
2-Chloro-4-cyano-6-(difluoromethyl)pyridine-3-methanol
2-Chloro-4-cyano-5-(difluoromethyl)pyridine-3-methanol
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