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