Synonyms: 1,4:5,8-Dimethanonaphthalene,1,2,4,10,10-pentachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-, endo,exo-(8CI); 2,7:3,6-Dimethanonaphth[2,3-b]oxirene,3,4,6,9,9-pentachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aa,2b,2aa,3b,6b,6aa,7b,7aa)-; 9-Dechlorodieldrin; Tanzadrin