InChI=1S/C36H26O15/c1-8-3-10-17(12(37)4-8)28(42)22-14(39)6-13(38)21-24-16(50-36-33(47)31(45)32(46)34(51-36)35(48)49)7-15(40)23-26(24)19(18(10)25(21)22)11-5-9(2)27(41)30(44)20(11)29(23)43/h3-7,31-34,36-41,44-47H,1-2H3,(H,48,49)