InChI=1/C16H20N4O3S/c17-24(22,23)20-9-6-13(7-10-20)16(21)19-11-15-14-4-2-1-3-12(14)5-8-18-15/h1-5,8,13H,6-7,9-11H2,(H3,17,19,21,22,23)/p-1/fC16H19N4O3S/h17,19H/q-1 21EECBAD1ECF72A9