Formula: C30H20O9 | Mol. Weight: 524.50 g/mol
IUPAC: (9R)-9-[(9R)-4,5-dihydroxy-2-(hydroxymethyl)-10-oxo-9H-anthracen-9-yl]-4,5-dihydroxy-10-oxo-9H-anthracene-2-carboxylic acid
C1=CC2=C(C(=C1)O)C(=O)C3=C(C2C4C5=C(C(=CC=C5)O)C(=O)C6=C4C=C(C=C6O)C(=O)O)C=C(C=C3O)CO