Synonyms: 1,4:5,8-Dimethanonaphthalen-4a(4H)-ol,1,2,3,4,10,10-hexachloro-6,7-epoxy-1,5,6,7,8,8a-hexahydro-, stereoisomer (8CI);4a-Hydroxy-1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-1,4-endo-5,8-exo-dimethanonaphthalene;7-Hydroxydieldrin