3-Cyano-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
5-Cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-methanol
6-Cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetonitrile
3-Cyano-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-methanol