4-Cyano-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Aminomethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde