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