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