5-Chloro-4-cyano-2-(difluoromethyl)-3-nitropyridine
3-Chloro-2-(difluoromethyl)-4-fluoropyridine-6-sulfonyl chloride
3-Chloro-2-cyano-6-(difluoromethyl)-5-nitropyridine
2-Bromo-4-(bromomethyl)-5-(difluoromethyl)pyridine-3-carboxylic acid
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