InChI=1S/C18H30O17/c19-1-3-13(34-18-11(26)7(22)8(23)14(35-18)15(28)29)9(24)12(27)17(33-3)31-2-4-5(20)6(21)10(25)16(30)32-4/h3-14,16-27,30H,1-2H2,(H,28,29)