3-(Fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Fluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetonitrile
Methyl 5-hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 6-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylate