InChI=1/C13H17BrN4OS/c1-8-13(9(2)17-16-8)15-12(19)6-18(3)5-11-4-10(14)7-20-11/h4,7H,5-6H2,1-3H3,(H,15,19)(H,16,17)/f/h15-16H 14BDE6F5B1F866D3