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