Try searching for...
SCFBio, IIT Delhi
Formula: C20H20O8 | Mol. Weight: 388.40 g/mol
IUPAC: 2-(4-hydroxy-3-methoxyphenyl)-3,5,6,7-tetramethoxychromen-4-one
COC1=C(C=CC(=C1)C2=C(C(=O)C3=C(C(=C(C=C3O2)OC)OC)OC)OC)O