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