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