Formula: C42H32O10 | Mol. Weight: 696.70 g/mol
IUPAC: (1S,6S,7S,11S,19S)-11-(2,4-dihydroxyphenyl)-6-(3,5-dihydroxyphenyl)-7,19-bis(4-hydroxyphenyl)-8,18-dioxapentacyclo[11.6.1.02,10.05,9.017,20]icosa-2,4,9,13(20),14,16-hexaene-4,15-diol
C1C(C2=C3C(=C(C=C2C4C(OC5=CC(=CC1=C45)O)C6=CC=C(C=C6)O)O)C(C(O3)C7=CC=C(C=C7)O)C8=CC(=CC(=C8)O)O)C9=C(C=C(C=C9)O)O