4-Hydroxy-3-[4-Hydroxy-3-(3-Methylbut-2-Enyl)phenyl]-5-[[4-Hydroxy-3-(3-Methylbut-2-Enyl)phenyl]methylidene]furan-2-One - Ontify4-Hydroxy-3-[4-Hydroxy-3-(3-Methylbut-2-Enyl)phenyl]-5-[[4-Hydroxy-3-(3-Methylbut-2-Enyl)phenyl]methylidene]furan-2-One
Chemical compound.