Formula: C38H34O22 | Mol. Weight: 842.70 g/mol
IUPAC: 1,3,6,7-tetrahydroxy-4-[1,3,6,7-tetrahydroxy-9-oxo-2-[(2S,3S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]xanthen-4-yl]-2-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]xanthen-9-one
C1=C2C(=CC(=C1O)O)OC3=C(C(=C(C(=C3C2=O)O)C4C(C(C(C(O4)CO)O)O)O)O)C5=C6C(=C(C(=C5O)C7C(C(C(C(O7)CO)O)O)O)O)C(=O)C8=CC(=C(C=C8O6)O)O