5-Cyano-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
3-Cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
Methyl 2-fluoro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylate
3-Cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile