InChI=1S/C38H30O19/c1-9-4-11(40)19-25(27(9)44)30(47)23-17(28(19)45)13(42)6-15(54-2)21(23)22-16(55-3)7-14(43)18-24(22)31(48)26-20(29(18)46)12(41)5-10(8-39)35(26)56-38-34(51)32(49)33(50)36(57-38)37(52)53/h4-7,32-34,36,38-44,49-51H,8H2,1-3H3,(H,52,53)