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