4-Cyano-2-(difluoromethyl)-5-iodopyridine-3-carboxylic acid
5-Cyano-4-(difluoromethyl)-2-iodopyridine-3-carboxylic acid
Ethyl 3-cyano-2-(difluoromethyl)-6-iodopyridine-5-carboxylate
5-(Bromomethyl)-2-chloro-3-(difluoromethyl)pyridine-6-acetonitrile
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