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