InChI=1/C13H12N4OS2/c1-7-11(20-13-17-16-8(2)19-13)12(18)15-10-6-4-3-5-9(10)14-7/h3-6,14H,1-2H3,(H,15,18)/f/h15H 8BB0EB3C6E75FD2E