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