InChI=1/C12H15N3O4S/c1-10-14-5-6-15(10)11-3-2-4-12(9-11)18-7-8-19-20(13,16)17/h2-6,9H,7-8H2,1H3,(H2,13,16,17)/p+1/fC12H16N3O4S/h14H,13H2/q+1 246017A0B5006527