4-(Bromomethyl)-2-cyano-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-(Chloromethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-acetonitrile
2-(Chloromethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Chloromethyl)-6-cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine