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