Try searching for...
SCFBio, IIT Delhi
Formula: C13H12O11 | Mol. Weight: 344.23 g/mol
IUPAC: (2R)-2-[(2S,3S,4S)-3,4-dihydroxy-5-oxooxolan-2-yl]-2-(3,4,5-trihydroxybenzoyl)oxyacetic acid
C1=C(C=C(C(=C1O)O)O)C(=O)OC(C2C(C(C(=O)O2)O)O)C(=O)O