InChI=1/C16H13N7/c1-2-11-12(3-1)18-9-23-16(11)19-15(22-23)14-8-13(20-21-14)10-4-6-17-7-5-10/h4-9H,1-3H2,(H,20,21)/f/h21H BB15552F4435409A