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