3-Cyano-5-(fluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Bromomethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-4-acetonitrile