InChI=1/C18H12N4O3/c23-17-16-19-12(18(24)25)9-22(16)15-13(20-17)10-5-1-2-6-11(10)14(15)21-7-3-4-8-21/h1-9,14H,(H,20,23)(H,24,25)/p-2/t14-/m1/s1/fC18H10N4O3/q-2 105BD92B1F27DD16