InChI=1/C13H12N4O2S2/c1-8-5-15-13(21-8)17-12(18)14-6-9-7-19-11(16-9)10-3-2-4-20-10/h2-5,7H,6H2,1H3,(H2,14,15,17,18)/f/h14,17H 443A498FE7C460FA