Synonyms: Bicyclo[3.2.1]oct-3-ene-2,8-dione,7-(4-hydroxy-3-methoxyphenyl)-5-methoxy-6-methyl-3-(2-propenyl)-,(1R,5R,6R,7R)- (9CI); Bicyclo[3.2.1]oct-3-ene-2,8-dione,7-(4-hydroxy-3-methoxyphenyl)-5-methoxy-6-methyl-3-(2-propenyl)-,[1R-(6-endo,7-exo)]-; Kadsurenin K