Try searching for...
SCFBio, IIT Delhi
Formula: C20H18O11 | Mol. Weight: 434.30 g/mol
IUPAC: (2R,3R)-2-[(3,4-dihydroxyphenyl)methyl]-3-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy-2-hydroxybutanedioic acid
C1=CC(=C(C=C1CC(C(C(=O)O)OC(=O)C=CC2=CC(=C(C=C2)O)O)(C(=O)O)O)O)O