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