3-(Difluoromethyl)-2-methoxypyridine-5-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-5-iodopyridine
2-(Difluoromethyl)-5-methoxypyridine-4-acetonitrile
3-(Bromomethyl)-2-(difluoromethyl)-5-iodopyridine
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