InChI=1S/C20H30N2O9/c1-9(2)6-12(22-19(29)18(28)17(27)11(21)8-15(25)26)14(24)7-10-4-3-5-13(23)16(10)20(30)31/h3-5,9,11-12,14,17-18,23-24,27-28H,6-8,21H2,1-2H3,(H,22,29)(H,25,26)(H,30,31)/t11?,12-,14?,17?,18-/m0/s1