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