Formula: C26H20O10 | Mol. Weight: 492.40 g/mol
IUPAC: 4,5,24,25-tetramethoxy-7,12,17,22-tetraoxaheptacyclo[13.11.0.02,14.03,11.06,10.018,26.019,23]hexacosa-3(11),4,6(10),8,18(26),19(23),20,24-octaene-13,16-dione
COC1=C(C2=C(C=CO2)C3=C1C4C5C(C4C(=O)O3)C(=O)OC6=C5C(=C(C7=C6C=CO7)OC)OC)OC