3-Chloro-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile
3-Chloro-2-cyano-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine
2-Chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Chloro-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-acetonitrile