3-Cyano-4-fluoro-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Cyano-2-fluoro-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine
2-Cyano-6-fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Cyano-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde