5-(Chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Fluoro-4-iodo-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-4-cyano-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Fluoro-2-iodo-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine