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