InChI=1/C13H12N4O3/c1-7-15-16-13-14-11(18)6-10(17(7)13)8-2-4-9(5-3-8)12(19)20/h2-5,10H,6H2,1H3,(H,19,20)(H,14,16,18)/p-1/t10-/m1/s1/fC13H11N4O3/h18H/q-1 2BA2AF863FEC2554