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