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