2-(Bromomethyl)-6-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
6-Fluoro-2-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
3-Fluoro-4-methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine