Try searching for...
SCFBio, IIT Delhi
Formula: C18H16O9 | Mol. Weight: 376.30 g/mol
IUPAC: (6R,7R)-7,9-dihydroxy-6-(3-hydroxy-5-methoxyphenyl)-4-methoxy-6,7-dihydro-[1,3]dioxolo[4,5-g]chromen-8-one
COC1=CC(=CC(=C1)O)C2C(C(=O)C3=C(C4=C(C(=C3O2)OC)OCO4)O)O