Try searching for...
SCFBio, IIT Delhi
Formula: C25H24O12 | Mol. Weight: 516.40 g/mol
IUPAC: 3-oxo-3-[[3,4,5-trihydroxy-6-[3-(4-methoxyphenyl)-4-oxochromen-7-yl]oxyoxan-2-yl]methoxy]propanoic acid
COC1=CC=C(C=C1)C2=COC3=C(C2=O)C=CC(=C3)OC4C(C(C(C(O4)COC(=O)CC(=O)O)O)O)O