InChI=1/C12H9N5O2S2/c1-6-15-16-9(19-6)5-13-10(18)8-4-7-11(21-8)14-12-17(7)2-3-20-12/h2-4H,5H2,1H3,(H,13,18)/f/h13H E5F51311A58C916D