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