3-Cyano-4-(difluoromethyl)-6-nitropyridine-2-carboxylic acid
2-(Chloromethyl)-5-cyano-6-(difluoromethyl)pyridine-3-acetonitrile
2-(Bromomethyl)-6-cyano-4-(difluoromethyl)pyridine-3-carboxaldehyde
Ethyl 3-cyano-4-(difluoromethyl)-6-nitropyridine-2-carboxylate