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