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