4-Cyano-2-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
3-Cyano-5-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine
3-Cyano-4-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine
3-Fluoro-2-methyl-6-(trifluoromethoxy)pyridine-5-acetic acid