Ethyl 2-cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
3-Cyano-6-fluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-Fluoro-2-hydroxy-6-methoxy-3-(trifluoromethoxy)pyridine
3-Cyano-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetonitrile