3-Cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-Cyano-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxaldehyde
3-Fluoro-5-methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxaldehyde