InChI=1/C13H16N4O2/c1-8-4-6-10(7-5-8)9(2)17(3)12(18)11-14-13(19)16-15-11/h4-7,9H,1-3H3,(H2,14,15,16,19)/p-1/t9-/m0/s1/fC13H15N4O2/h16H/q-1 D7E79569ACADF517