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