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