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