2-Bromo-6-(difluoromethyl)-3-fluoro-5-iodopyridine
4-Bromo-2-(chloromethyl)-5-(difluoromethyl)-3-fluoropyridine
4-Bromo-2-(chloromethyl)-3-(difluoromethyl)-5-fluoropyridine
2-Bromo-5-(difluoromethyl)-6-fluoro-3-iodopyridine
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