Synonyms: 11H-Dibenzo[b,e][1,4]dioxepin-11-one,3,8-dihydroxy-1,9-dimethyl-6-(1-methyl-1-propenyl)-, (E)-;11H-Dibenzo[b,e][1,4]dioxepin-11-one,3,8-dihydroxy-1,9-dimethyl-6-[(1E)-1-methyl-1-propenyl]- (9CI);Trisdechloronornidulin; Unguinol; tris-Dechloronornidulin