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