4-(Aminomethyl)-3-fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine
5-(Aminomethyl)-4-fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-fluoro-6-hydroxy-5-(trifluoromethoxy)pyridine