InChI=1/C11H16N4O3/c1-6-8(11(17)18)10(14(2)13-6)15-5-3-4-7(15)9(12)16/h7H,3-5H2,1-2H3,(H2,12,16)(H,17,18)/p-1/t7-/m1/s1/fC11H15N4O3/h12H2/q-1 6E69B9012CF1B4B0