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