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