InChI=1/C9H7N5OS4/c1-4-2-6(15)14-7(10-4)18-5(13-14)3-17-9-12-11-8(16)19-9/h2H,3H2,1H3,(H,11,16)/p-1/fC9H6N5OS4/q-1 4EFF6EF27B99E21D