5945-40-4 8-Methyl-3-methylene-3,3a,4,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione AIDS-128333 AIDS128333 Mexicanin E Mexicanin-E Mexicanine E NSC264054 {Azuleno[6,5-b]furan-2,5-dione,} 3,3a,4,4a,7a,8,9, 9a-octahydro-8-methyl-3-methylene-, {[3aR-(3a.alpha.,4a.alpha.,} 7a.alpha.,8.alpha.,9a.alpha.)\]- {Azuleno[6,5-b]furan-2,} 5-dione, 3,3a,4,4a,7a,8,9,9a-octahydro-8-methyl-3-methylene-, {[3aR-(3a.alpha.,4a.alpha.,7a.alpha.,8.beta.,9a.alpha.)]-}