InChI=1S/C18H30O17/c19-1-5-7(22)13(26)18(4-21,35-5)31-2-6-11(14(27)17(30,3-20)34-6)32-16-10(25)8(23)9(24)12(33-16)15(28)29/h5-14,16,19-27,30H,1-4H2,(H,28,29)