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