Formula: C23H22O8 | Mol. Weight: 426.40 g/mol
IUPAC: 10,21-dihydroxy-16,17-dimethoxy-6-prop-1-en-2-yl-2,7,20-trioxapentacyclo[11.8.0.03,11.04,8.014,19]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one
CC(=C)C1CC2=C(O1)C=C(C3=C2OC4C(C3=O)C5=CC(=C(C=C5OC4O)OC)OC)O