Formula: C27H22O18 | Mol. Weight: 634.50 g/mol
IUPAC: [(1S,18R,19S,21R,22S)-6,7,8,11,12,13,22-heptahydroxy-21-(hydroxymethyl)-3,16-dioxo-2,17,20-trioxatetracyclo[16.3.1.04,9.010,15]docosa-4,6,8,10,12,14-hexaen-19-yl] 3,4,5-trihydroxybenzoate
C1=C(C=C(C(=C1O)O)O)C(=O)OC2C3C(C(C(O2)CO)OC(=O)C4=CC(=C(C(=C4C5=C(C(=C(C=C5C(=O)O3)O)O)O)O)O)O)O