Formula: C34H40O19 | Mol. Weight: 752.70 g/mol
IUPAC: (1R,3S,5R,6R,7S,10E,11E,15R,16S,17S,18R)-6,16,17,18-tetrahydroxy-10-[(4-hydroxy-2,3-dimethoxyphenyl)methylidene]-11-[(4-hydroxy-3,5-dimethoxyphenyl)methylidene]-3,5-bis(hydroxymethyl)-2,4,8,13,19-pentaoxatricyclo[13.3.1.03,7]nonadecane-9,12-dione
COC1=CC(=CC(=C1O)OC)C=C2C(=CC3=C(C(=C(C=C3)O)OC)OC)C(=O)OC4C(C(OC4(OC5C(C(C(C(O5)COC2=O)O)O)O)CO)CO)O