Methyl 2-cyano-3-(difluoromethyl)-5-methoxypyridine-6-acetate
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