InChI=1S/C36H30O16/c37-15-6-4-13(5-7-15)32-27(26-20(41)11-19(40)24-21(42)12-22(50-33(24)26)14-2-1-3-16(38)8-14)28(43)25-18(39)9-17(10-23(25)51-32)49-36-31(46)29(44)30(45)34(52-36)35(47)48/h1-11,22,27,29-32,34,36-41,44-46H,12H2,(H,47,48)