InChI=1S/C36H30O17/c37-14-4-1-12(2-5-14)32-27(28(44)25-18(41)8-15(38)9-22(25)51-32)26-23(52-36-31(47)29(45)30(46)34(53-36)35(48)49)11-20(43)24-19(42)10-21(50-33(24)26)13-3-6-16(39)17(40)7-13/h1-9,11,21,27,29-32,34,36-41,43,45-47H,10H2,(H,48,49)