InChI=1S/C36H32O16/c37-19-5-1-15(9-23(19)41)11-27(33(45)46)51-35(49)31-29(17-3-7-21(39)25(43)13-17)30(18-4-8-22(40)26(44)14-18)32(31)36(50)52-28(34(47)48)12-16-2-6-20(38)24(42)10-16/h1-10,13-14,27-32,37-44H,11-12H2,(H,45,46)(H,47,48)