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