4-Fluoro-2-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
5-Cyano-4-fluoro-2-iodo-3-(trifluoromethoxy)pyridine
5-Fluoro-2-hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Fluoro-2-hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine