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