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