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