InChI=1S/C36H26O16/c37-15-8-24-28(25(9-15)51-36-32(46)30(44)31(45)34(52-36)35(47)48)20(41)12-23(49-24)14-6-16(29(43)21(42)7-14)26-17(38)10-18(39)27-19(40)11-22(50-33(26)27)13-4-2-1-3-5-13/h1-12,30-32,34,36-39,42-46H,(H,47,48)