InChI=1/C13H17BrN4O2S/c14-12-9-11(3-4-13(12)15)21(19,20)17-5-1-2-7-18-8-6-16-10-18/h3-4,6,8-10,17H,1-2,5,7,15H2/p+1/fC13H18BrN4O2S/h16H/q+1 9C665B22D7BD36DF