InChI=1/C21H15N5O/c22-20(27)15-4-3-5-16-19(15)25-21(24-16)14-9-7-13(8-10-14)17-12-26-11-2-1-6-18(26)23-17/h1-12H,(H2,22,27)(H,24,25)/p+1/fC21H16N5O/h23-24H,22H2/q+1 D86FCD4F2389CD28