InChI=1/C16H11N7O/c17-16-20-15-11(9-18-22(15)10-5-2-1-3-6-10)14-19-13(21-23(14)16)12-7-4-8-24-12/h1-9H,(H2,17,20)/f/h17H2 9C2EC70E629B9FCF