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