InChI=1/C16H17BrN4O3/c1-9(21(2)8-11-4-6-14(17)24-11)15(22)18-10-3-5-12-13(7-10)20-16(23)19-12/h3-7,9H,8H2,1-2H3,(H,18,22)(H2,19,20,23)/p+1/t9-/m1/s1/fC16H18BrN4O3/h18-21H/q+1 F878C89B26F75D2F