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