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