(3aR,3bS,3cS,4aR,5S,5aS,8aR,8bR,9R,10R,10aS)-5,5a-dihydroxy-4a-(hydroxymethyl)-7,9-dimethyl-10a-(1-methylethenyl)-6-oxo-2-phenyl-3a,3c,4a,5,5a,6,8a,9,10,10a-decahydro-3bH-2,8b-epoxyoxireno[6,7]azuleno[5,4-e][1,3]benzodioxol-10-yl (2E)-3-phenylprop-2-enoat