InChI=1/C13H18N4OS/c1-9-5-6-10-11(8-9)16-13(15-10)19-7-3-2-4-12(14)17-18/h5-6,8,18H,2-4,7H2,1H3,(H2,14,17)(H,15,16)/f/h16H,14H2/b17-12- 8E28BCA6EA2BC53A