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