Formula: C34H28O8 | Mol. Weight: 564.60 g/mol
IUPAC: (1R,9S,13S,21R)-1-(2,4-dihydroxyphenyl)-17-[(E)-2-(2,4-dihydroxyphenyl)ethenyl]-11-methyl-2,20-dioxapentacyclo[11.7.1.03,8.09,21.014,19]henicosa-3(8),4,6,11,14,16,18-heptaene-5,15-diol
CC1=CC2C3C(C1)C4=C(C=C(C=C4)O)OC3(OC5=CC(=CC(=C25)O)C=CC6=C(C=C(C=C6)O)O)C7=C(C=C(C=C7)O)O