Try searching for...
SCFBio, IIT Delhi
Formula: C19H26O15 | Mol. Weight: 494.40 g/mol
IUPAC: [6-[3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3,4,5-trihydroxybenzoate
C1=C(C=C(C(=C1O)O)O)C(=O)OCC2C(C(C(C(O2)OC3(C(C(C(O3)CO)O)O)CO)O)O)O