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