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