4-Cyano-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetonitrile
2-Cyano-4-fluoro-5-methyl-3-(trifluoromethoxy)pyridine
4-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetonitrile
2-Cyano-3-fluoro-6-methyl-5-(trifluoromethoxy)pyridine