Formula: C21H18O12 | Mol. Weight: 462.40 g/mol
IUPAC: 7-[(2S,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-14-hydroxy-6,13-dimethoxy-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4,6,8(16),11,13-hexaene-3,10-dione
COC1=C(C2=C3C(=C1)C(=O)OC4=C3C(=CC(=C4OC5C(C(C(O5)CO)O)O)OC)C(=O)O2)O