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