4-(Bromomethyl)-2-cyano-5-hydroxy-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-(Bromomethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Bromomethyl)-5-cyano-4-hydroxy-2-(trifluoromethoxy)pyridine