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