Formula: C21H20O13 | Mol. Weight: 480.40 g/mol
IUPAC: [(2R,3R,4S,4aS,10bS)-3,8,10-trihydroxy-2-(hydroxymethyl)-9-methoxy-6-oxo-3,4,4a,10b-tetrahydro-2H-pyrano[3,2-c]isochromen-4-yl] 3,4,5-trihydroxybenzoate
COC1=C(C=C2C(=C1O)C3C(C(C(C(O3)CO)O)OC(=O)C4=CC(=C(C(=C4)O)O)O)OC2=O)O