InChI=1/C13H16N4O2S/c1-7(12(18)14-3)16-13(19)10-4-9(5-15-10)11-6-20-8(2)17-11/h4-7,15H,1-3H3,(H,14,18)(H,16,19)/t7-/m1/s1/f/h14,16H 7BCF669BD9D2BD47