InChI=1/C11H20N2O4/c1-8-5-13(7-11(2,3)17-8)10(16)12(4)6-9(14)15/h8H,5-7H2,1-4H3,(H,14,15)/p-1/t8-/m0/s1/fC11H19N2O4/q-1 E9DECC79C0A24D8B