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