InChI=1S/C36H26O15/c37-16-9-19(39)28-21(41)11-24(48-25(28)10-16)15-6-7-18(38)17(8-15)27-20(40)13-26(50-36-32(45)30(43)31(44)34(51-36)35(46)47)29-22(42)12-23(49-33(27)29)14-4-2-1-3-5-14/h1-13,30-32,34,36-40,43-45H,(H,46,47)