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