ByNobleID
    Crystal and molecular structure of (3aR,6aR,5?R)3-[[2,5-dihydro-3-methyl-2-oxo-5-furanyl)oxo]methylene]-3,3a,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-on, C13H12O5 | NobleID