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