Try searching for...
SCFBio, IIT Delhi
Formula: C9H10O4 | Mol. Weight: 182.17 g/mol
IUPAC: (E)-3-(4,5-dihydroxycyclohexa-2,4-dien-1-yl)prop-2-enoic acid
C1C(C=CC(=C1O)O)C=CC(=O)O