Formula: C21H10O13 | Mol. Weight: 470.30 g/mol
IUPAC: 3,4,5-trihydroxy-2-(6,7,13,14-tetrahydroxy-3,10-dioxo-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4(16),5,7,11,13-hexaen-5-yl)benzoic acid
C1=C2C3=C(C(=C1O)O)OC(=O)C4=C3C(=C(C(=C4C5=C(C(=C(C=C5C(=O)O)O)O)O)O)O)OC2=O