InChI=1/C15H20N4O3S/c1-20-12-6-11(7-13(21-2)14(12)22-3)19-15(23)17-5-4-10-8-16-9-18-10/h6-9H,4-5H2,1-3H3,(H,16,18)(H2,17,19,23)/p+1/fC15H21N4O3S/h16-19H/q+1 7B8AB45AA90499AD