InChI=1S/C38H30O19/c1-8-5-10(39)15-21(24(8)41)28(45)18-14(26(15)43)11(40)7-12(54-3)16(18)20-19-23(30(47)32(49)35(20)55-4)27(44)17-13(6-9(2)25(42)22(17)29(19)46)56-38-34(51)31(48)33(50)36(57-38)37(52)53/h5-7,31,33-34,36,38-42,47-51H,1-4H3,(H,52,53)