3H-Oxireno(8,8a)azuleno(4,5-b)furan-8(4aH)-one, 5,6,6a,7,9a,9b-hexahydro-1,4a,7-trimethyl-, (4aS-(3aS*,4aalpha,6aalpha,7alpha,9abeta,9balpha))- 6831-14-7 Arborescin