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