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