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