28230-81-1 Azuleno(6,5-b)furan-2(3H)-one, decahydro-5,7-dihydroxy-4a,8-dimethyl-3-methylene-, (3aR-(3aalpha,4abeta,5alpha,7alpha,7aalpha,8alpha,9aalpha))- NSC 145915 Neopulchellin