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