Try searching for...
SCFBio, IIT Delhi
Formula: C21H22O7 | Mol. Weight: 386.40 g/mol
IUPAC: (E)-7-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione
COC1=C(C=CC(=C1)C=CC(=O)CC(=O)CC(C2=CC(=C(C=C2)O)OC)O)O