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