InChI=1/C11H20N4O4/c1-8(6-10(17)18)14-11(19)13-7-9(16)15-4-2-12-3-5-15/h8,12H,2-7H2,1H3,(H,17,18)(H2,13,14,19)/t8-/m1/s1/f/h12-14H 65CE99AD2A814F28