InChI=1/C13H11N3O2S2/c1-9(11-6-4-8-19-11)14-15-13-10-5-2-3-7-12(10)20(17,18)16-13/h2-8H,1H3,(H,15,16)/b14-9+/f/h15H 89531E9D44885BAE