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