InChI=1/C16H14N4/c17-16(18)20-15-14-10-13(11-4-2-1-3-5-11)7-6-12(14)8-9-19-15/h1-10H,(H4,17,18,19,20)/p+1/fC16H15N4/h20H,17-18H2/q+1 EC2B5A743FB08E44