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