InChI=1/C13H12N6O2/c1-8-14-6-7-19(8)10-4-2-9(3-5-10)15-11-12(20)16-13(21)18-17-11/h2-7H,1H3,(H,15,17)(H2,16,18,20,21)/p+1/fC13H13N6O2/h14-16,18H/q+1 25D4E6C965019DE9