4-(Aminomethyl)-5-chloro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-3-fluoro-2-methoxy-6-(trifluoromethoxy)pyridine
4-Cyano-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde