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