InChI=1/C13H15N5O2S/c1-10(17-18-13-9-15-6-7-16-13)11-4-3-5-12(8-11)21(19,20)14-2/h3-9,14H,1-2H3,(H,16,18)/b17-10+/f/h18H 1841767F3D7A0F13