InChI=1/C15H13N5O2/c16-15-19-11(13-2-1-7-22-13)8-12(20-15)14(21)18-9-10-3-5-17-6-4-10/h1-8H,9H2,(H,18,21)(H2,16,19,20)/f/h18H,16H2 D31B71F847559E60