InChI=1S/C17H28O16/c18-1-3-6(20)13(33-16-11(25)8(22)9(23)12(32-16)14(26)27)17(31-3)29-2-4-5(19)7(21)10(24)15(28)30-4/h3-13,15-25,28H,1-2H2,(H,26,27)