Formula: C37H28O18 | Mol. Weight: 760.60 g/mol
IUPAC: [9,17,19,21-tetrahydroxy-5,13-bis(3,4,5-trihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaen-6-yl] 3,4,5-trihydroxybenzoate
C1C(C(OC2=C1C(=CC3=C2C4C(C(O3)(OC5=CC(=CC(=C45)O)O)C6=CC(=C(C(=C6)O)O)O)O)O)C7=CC(=C(C(=C7)O)O)O)OC(=O)C8=CC(=C(C(=C8)O)O)O