Ethyl 4-amino-3-(chloromethyl)-2-(difluoromethyl)pyridine-5-acetate
Ethyl 4-amino-6-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetate
5-Amino-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-acetic acid
Methyl 5-amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-carboxylate