3-(Aminomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid
3-(Aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid
2-(Aminomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
2-(Aminomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid