5-Cyano-3-(difluoromethyl)-4-methoxypyridine-2-carbonyl chloride
3-(Aminomethyl)-5-cyano-2-(difluoromethyl)pyridine-6-acetonitrile
3-(Aminomethyl)-4-cyano-2-(difluoromethyl)pyridine-6-acetonitrile
2-Cyano-5-(difluoromethyl)-3-iodopyridine-4-carboxylic acid