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