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