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