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