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