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