2-Amino-6-(aminomethyl)-5-(difluoromethyl)pyridine-3-methanol
3-Amino-2-(aminomethyl)-6-(difluoromethyl)pyridine-5-methanol
3-Amino-4-(aminomethyl)-2-(difluoromethyl)pyridine-5-acetonitrile
3-Amino-2-(aminomethyl)-5-(difluoromethyl)pyridine-4-methanol