InChI=1/C13H14N4O2S2/c1-9-3-2-8-15-12(9)17-13(20)16-10-4-6-11(7-5-10)21(14,18)19/h2-8H,1H3,(H2,14,18,19)(H2,15,16,17,20)/f/h16-17H,14H2 37B277ED686C2F06