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