Ethyl 5-amino-4-(bromomethyl)-2-(difluoromethyl)pyridine-3-acetate
2-Amino-4-(chloromethyl)-3-(difluoromethyl)pyridine-6-carboxaldehyde
2-Amino-4-(chloromethyl)-3-(difluoromethyl)pyridine-5-acetonitrile
2-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridine-6-acetonitrile