Synonyms: 2,4-Octadienoicacid, 6-methyl-,9a-ethoxy-2,3,3a,4,4a,5,6,9a-octahydro-3a-hydroxy-4a,5-dimethyl-3-methylenenaphtho[2,3-b]furan-6-ylester, [3aR-[3aa,4aa,5a,6a(2E,4E,6S*),9aa]]-; Naphtho[2,3-b]furan, 2,4-octadienoic acid deriv.; Dendryphiellin F