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