InChI=1/C16H20N4O3S/c1-19(2)15(12-7-8-24-11-12)9-18-16(21)10-17-13-5-3-4-6-14(13)20(22)23/h3-8,11,15,17H,9-10H2,1-2H3,(H,18,21)/p+1/t15-/m0/s1/fC16H21N4O3S/h18-19H/q+1 5CD19DB936202E7C