Try searching for...
SCFBio, IIT Delhi
Formula: C28H24O12 | Mol. Weight: 552.50 g/mol
IUPAC: dimethyl (1S,2R,3S,4R)-3,4-bis(8-hydroxy-6-methoxy-1-oxoisochromen-3-yl)cyclobutane-1,2-dicarboxylate
COC1=CC(=C2C(=C1)C=C(OC2=O)C3C(C(C3C(=O)OC)C(=O)OC)C4=CC5=CC(=CC(=C5C(=O)O4)O)OC)O