3-Cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-methanol
3-Cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-methanol
3-Hydroxy-2-iodo-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-methanol