2-Cyano-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetonitrile
6-Cyano-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Cyano-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetonitrile