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