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