InChI=1S/C36H34O17/c37-14-3-1-2-12(4-14)32-27(44)26(24-20(42)8-17(40)9-22(24)50-32)25-23(51-36-30(47)28(45)29(46)34(53-36)35(48)49)11-19(41)18-10-21(43)31(52-33(18)25)13-5-15(38)7-16(39)6-13/h1-9,11,21,26-32,34,36-47H,10H2,(H,48,49)