InChI=1S/C18H30O17/c19-1-4-6(21)8(23)12(27)17(32-4)35-18(14(28)7(22)5(2-20)34-18)3-31-16-11(26)9(24)10(25)13(33-16)15(29)30/h4-14,16-17,19-28H,1-3H2,(H,29,30)