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