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