InChI=1S/C27H22O18/c28-7-1-5(2-8(29)15(7)32)25(40)43-4-10(31)17(34)23-24-21(38)14-13(27(42)45-24)12(19(36)22(39)20(14)37)11-6(26(41)44-23)3-9(30)16(33)18(11)35/h1-3,10,17,21,23-24,28-39H,4H2/t10-,17-,21+,23+,24+/m0/s1