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