Try searching for...
SCFBio, IIT Delhi
Formula: C19H20O6 | Mol. Weight: 344.40 g/mol
IUPAC: [(1R)-1-(5,8-dihydroxy-1,4-dioxonaphthalen-2-yl)-4-methylpent-3-enyl] propanoate
CCC(=O)OC(CC=C(C)C)C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O