Try searching for...
SCFBio, IIT Delhi
Formula: C21H22O5 | Mol. Weight: 354.40 g/mol
IUPAC: 2-(4-hydroxy-2-methoxyphenyl)-4-methoxy-5-(3-methylbut-2-enyl)-1-benzofuran-6-ol
CC(=CCC1=C(C2=C(C=C1O)OC(=C2)C3=C(C=C(C=C3)O)OC)OC)C