InChI=1S/C38H32O18/c1-9-5-11(39)19-25(27(9)43)30(46)23-17(28(19)44)13(41)7-15(53-3)21(23)22-16(54-4)8-14(42)18-24(22)31(47)26-20(29(18)45)12(40)6-10(2)35(26)55-38-34(50)32(48)33(49)36(56-38)37(51)52/h5-8,31-34,36,38-43,47-50H,1-4H3,(H,51,52)