Methyl 4-(chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
2-Hydroxy-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetonitrile
2-Hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetonitrile
2-Hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetonitrile