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