InChI=1/C15H13N5O2/c16-15-19-11(13-5-3-7-22-13)8-12(20-15)14(21)18-9-10-4-1-2-6-17-10/h1-8H,9H2,(H,18,21)(H2,16,19,20)/f/h18H,16H2 4AB34A64C635D2BB