5-(Chloromethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Cyano-3-(fluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-Cyano-5-(fluoromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxaldehyde