6-Chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
5-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-Chloro-4-(chloromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
2-Chloro-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile