Try searching for...
SCFBio, IIT Delhi
Formula: C18H18O5 | Mol. Weight: 314.30 g/mol
IUPAC: 2,3,9-trimethoxy-6a,11a-dihydro-6H-[1]benzofuro[3,2-c]chromene
COC1=CC2=C(C=C1)C3COC4=CC(=C(C=C4C3O2)OC)OC