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