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