InChI=1/C15H11N5O2/c21-14-11-3-1-2-4-12(11)18-13(19-14)15(22)20-17-9-10-5-7-16-8-6-10/h1-9H,(H,20,22)(H,18,19,21)/p-1/b17-9+/fC15H10N5O2/h20H/q-1 17B9955229525314