4-Amino-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid
3-Amino-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid
2-Amino-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid