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