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