InChI=1S/C36H34O16/c37-15-3-1-2-13(8-15)32-27(43)25(17-6-5-16(38)10-23(17)49-32)26-24(50-36-30(46)28(44)29(45)34(52-36)35(47)48)12-20(40)18-11-22(42)31(51-33(18)26)14-4-7-19(39)21(41)9-14/h1-10,12,22,25,27-32,34,36-46H,11H2,(H,47,48)