InChI=1/C18H12N4O3/c19-11-14-5-2-1-4-12(14)8-9-16(23)20-15-7-3-6-13(10-15)17-21-18(24)25-22-17/h1-10H,(H,20,23)(H,21,22,24)/p-1/b9-8+/fC18H11N4O3/h20H/q-1 2A729F0725D2D229