InChI=1/C16H20N4O3S/c1-20-14-8-5-7-12(11(14)10-17-20)18-16(21)19-13-6-3-4-9-15(13)24(2,22)23/h3-4,6,9-10,12H,5,7-8H2,1-2H3,(H2,18,19,21)/t12-/m1/s1/f/h18-19H 6F0FF42FBCA3D13E