InChI=1/C14H11N7O/c15-12-18-13(16-9-5-2-1-3-6-9)19-14-17-11(20-21(12)14)10-7-4-8-22-10/h1-8H,(H3,15,16,17,18,19,20)/f/h15-16,18H E2AB64E2FB5E4949