2-(Bromomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride