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