Try searching for...
SCFBio, IIT Delhi
Formula: C20H18O5 | Mol. Weight: 338.40 g/mol
IUPAC: 4-furo[2,3-f][1,3]benzodioxol-6-yl-6-(3-methylbut-2-enyl)benzene-1,3-diol
CC(=CCC1=CC(=C(C=C1O)O)C2=CC3=CC4=C(C=C3O2)OCO4)C