4-Amino-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
3-Amino-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid
4-Amino-2-fluoro-3-methyl-6-(trifluoromethoxy)pyridine