Synonyms: AC1L4ANB;36149-87-8;Oxireno(2,3)azuleno(4,5-b)furan-2(3H)-one, 3a,4,5,7,7a,8a,8b,8c-octahydro-6,8a-dimethyl-3-methylene-, (3aS,7aR,8aS,8bS,8cS)-;Oxireno(2,3)azuleno(4,5-b)furan-2(3H)-one, 3a,4,5,7,7a,8a,8b,8c-octahydro-6,8a-dimethyl-3-methylene-, (3aS-(3aalpha,7abeta,8abeta,8balpha,8cbeta))-