3-Fluoro-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Fluoromethyl)-2-hydroxy-6-iodo-5-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-2-hydroxy-5-iodo-4-(trifluoromethoxy)pyridine
6-(Fluoromethyl)-2-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine