Formula: C23H18O14 | Mol. Weight: 518.40 g/mol
IUPAC: 4-hydroxy-9,10-dioxo-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(oxalooxymethyl)oxan-2-yl]oxyanthracene-2-carboxylic acid
C1=CC2=C(C(=C1)OC3C(C(C(C(O3)COC(=O)C(=O)O)O)O)O)C(=O)C4=C(C2=O)C=C(C=C4O)C(=O)O