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