Try searching for...
SCFBio, IIT Delhi
Formula: C19H20O13 | Mol. Weight: 456.40 g/mol
IUPAC: [(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(2,4,6-trihydroxyphenoxy)oxan-2-yl]methyl 3,4,5-trihydroxybenzoate
C1=C(C=C(C(=C1O)O)O)C(=O)OCC2C(C(C(C(O2)OC3=C(C=C(C=C3O)O)O)O)O)O