InChI=1/C19H16N4O2/c24-19(25)17(9-12-10-20-11-21-12)23-18-13-5-1-3-7-15(13)22-16-8-4-2-6-14(16)18/h1-8,10-11,17H,9H2,(H,20,21)(H,22,23)(H,24,25)/p+1/t17-/m1/s1/fC19H17N4O2/h20-23H/q+1 553071B505037125