InChI=1/C10H6N4O2S/c15-8-7(9-13-14-10(17)16-9)11-5-3-1-2-4-6(5)12-8/h1-4H,(H,12,15)(H,14,17)/p-1/fC10H5N4O2S/h12H/q-1 19421303E5A3CDC0