2-Cyano-5-(difluoromethyl)-4-nitropyridine-3-sulfonamide
2-(Aminomethyl)-3-cyano-5-(difluoromethyl)pyridine-4-methanol
5-(Aminomethyl)-2-cyano-4-(difluoromethyl)pyridine-3-acetonitrile
2-(Aminomethyl)-5-cyano-4-(difluoromethyl)pyridine-3-acetonitrile