InChI=1S/C36H26O17/c37-14-7-17(38)27-20(41)10-24(51-25(27)8-14)13-5-16(29(44)22(43)6-13)26-18(39)9-19(40)28-21(42)11-23(52-33(26)28)12-1-3-15(4-2-12)50-36-32(47)30(45)31(46)34(53-36)35(48)49/h1-11,30-32,34,36-40,43-47H,(H,48,49)