4-(Aminomethyl)-3-bromo-2-(difluoromethyl)-5-nitropyridine
2-Chloro-6-cyano-5-(difluoromethyl)pyridine-3-carbonyl chloride
3-Bromo-2-(chloromethyl)-5-(difluoromethyl)-6-nitropyridine
2-Chloro-4-cyano-6-(difluoromethyl)pyridine-3-carbonyl chloride
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