Try searching for...
SCFBio, IIT Delhi
Formula: C24H20O11 | Mol. Weight: 484.40 g/mol
IUPAC: 7-(2-oxochromen-7-yl)oxy-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one
C1=CC(=CC2=C1C=CC(=O)O2)OC3=C(C=C4C=CC(=O)OC4=C3)OC5C(C(C(C(O5)CO)O)O)O