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