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