2-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-4-methanol
4-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetonitrile
6-(Difluoromethyl)-3-fluoro-2-methyl-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-fluoro-3-methyl-6-(trifluoromethoxy)pyridine