5945-42-6 Aromaticin Azuleno(6,5-b)furan-2,5-dione, 3,3a,4,4a,7a,8,9,9a-octahydro-4a,8-dimethyl-3-methylene-, (3aR-(3aalpha,4abeta,7aalpha,8alpha,9abeta))- NSC 136049