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