5-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetonitrile
Ethyl 5-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate
4-Hydroxy-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 4-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate