Try searching for...
SCFBio, IIT Delhi
Formula: C21H20O12 | Mol. Weight: 464.40 g/mol
IUPAC: 3-[(2S,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-2-(3,4-dihydroxy-5-methoxyphenyl)-5,7-dihydroxychromen-4-one
COC1=CC(=CC(=C1O)O)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(O4)CO)O)O