4-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-6-acetonitrile
4-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 4-fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Hydroxy-5-iodo-6-(trifluoromethoxy)pyridine-2-acetonitrile