6H-2,8b-Epoxyoxireno[6,7]azuleno[5,4-e]-1,3-benzodioxol-6-one,10-(acetyloxy)-3a,3b,3c,4a,5,5a,8a,9,10,10a-decahydro-5,5a-dihydroxy-4a-(hydroxymethyl)-7,9-dimethyl-10a-(1-methylethenyl)-2-(1E,3E)-1,3-tetradecadienyl-,(2S,3aR,3bS,3cS,4aR,5S,5aS,8aR,8bR,9R,1