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