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