Formula: C21H18O13 | Mol. Weight: 478.40 g/mol
IUPAC: 6,7-dihydroxy-13-methoxy-14-[(2S,3S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4,6,8(16),11,13-hexaene-3,10-dione
COC1=C(C2=C3C(=C1)C(=O)OC4=C3C(=CC(=C4O)O)C(=O)O2)OC5C(C(C(C(O5)CO)O)O)O