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