5-Fluoro-4-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
3-Fluoro-4-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
3-Fluoro-2-(fluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 3-fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate