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