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