InChI=1/C16H10N6O/c17-15-18-13(9-8-11-5-2-1-3-6-11)19-16-20-14(21-22(15)16)12-7-4-10-23-12/h1-7,10H,(H2,17,18,19,20,21)/f/h17-18H 8D3D020D3D2B8679