4-Bromo-2-cyano-3-(difluoromethyl)-5-iodopyridine
3-Bromo-4-chloro-6-(chloromethyl)-2-(difluoromethyl)pyridine
3-Bromo-4-chloro-2-(chloromethyl)-6-(difluoromethyl)pyridine
5-Bromo-3-chloro-4-(difluoromethyl)pyridine-2-acetonitrile
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