2-(Fluoromethyl)-3-hydroxy-6-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-5-methanol
2-(Fluoromethyl)-3-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-4-methanol