InChI=1/C13H14N4O3S/c1-21(19,20)10-4-2-9(3-5-10)8-17-13(18)11-12(14)16-7-6-15-11/h2-7H,8H2,1H3,(H2,14,16)(H,17,18)/f/h17H,14H2 B8856293098302AA