4-(Difluoromethyl)-3-iodopyridine-5-acetonitrile
3-(Chloromethyl)-5-(difluoromethyl)pyridine-4-sulfonyl chloride
4-(Difluoromethyl)-2-iodopyridine-5-acetonitrile
5-(Bromomethyl)-2-(difluoromethyl)pyridine-3-acetonitrile
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