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