InChI=1S/C38H30O19/c1-8-5-10(39)15-21(24(8)41)29(46)19-20(35(55-4)32(49)30(47)23(19)27(15)44)16-12(54-3)7-11(40)14-18(16)28(45)22-17(26(14)43)13(6-9(2)25(22)42)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)