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