InChI=1S/C17H28N2O9/c1-7(2)6-8(18)14(23)19-5-3-4-9(19)16(26)28-17-12(22)10(20)11(21)13(27-17)15(24)25/h7-13,17,20-22H,3-6,18H2,1-2H3,(H,24,25)