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