Try searching for...
SCFBio, IIT Delhi
Formula: C14H16O7 | Mol. Weight: 296.27 g/mol
IUPAC: (E,5R,6S,7S)-5,6,7,8-tetrahydroxy-1-(4-hydroxyphenyl)oct-1-ene-3,4-dione
C1=CC(=CC=C1C=CC(=O)C(=O)C(C(C(CO)O)O)O)O