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