4-Cyano-3-(difluoromethyl)-2-nitropyridine-5-carboxylic acid
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