Nombre del producto:(3E,3aR,8bS)-3-[[(2R)-4-methyl-5-oxo-2H-furan-2-yl]oxymethylidene]-4,8b-dihydro-3aH-indeno[1,2-b]furan-2-one
IUPAC Name:(5R)-5-{[(3E,3aR,8bS)-2-oxo-2H,3H,3aH,4H,8bH-indeno[1,2-b]furan-3-ylidene]methoxy}-3-methyl-2,5-dihydrofuran-2-one