Try searching for...
SCFBio, IIT Delhi
Formula: C15H14O6 | Mol. Weight: 290.27 g/mol
IUPAC: (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
C1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)O