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