4-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Bromomethyl)-6-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine
4-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Cyano-5-hydroxy-6-(trifluoromethoxy)pyridine-2-acetonitrile