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