InChI=1/C13H16N4O2S2/c1-21(18,19)16-7-6-15-13-10(12(14)20)8-9-4-2-3-5-11(9)17-13/h2-5,8,16H,6-7H2,1H3,(H2,14,20)(H,15,17)/f/h15H,14H2 443B5FB494F77F4E