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
4-(Bromomethyl)-5-chloro-2-cyano-3-(difluoromethyl)pyridine
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