InChI=1/C10H6N4O2/c15-9-7-8(13-10(16)14-9)12-6-4-2-1-3-5(6)11-7/h1-4H,(H2,12,13,14,15,16)/p-1/fC10H5N4O2/h14H/q-1 90CA3EA69D91C6EC