InChI=1/C16H21BrN4O3/c1-21(10-16(24)19-11-6-7-11)9-15(23)18-8-14(22)20-13-5-3-2-4-12(13)17/h2-5,11H,6-10H2,1H3,(H,18,23)(H,19,24)(H,20,22)/p+1/fC16H22BrN4O3/h18-21H/q+1 A5A1F1CBF20EF385