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