InChI=1/C14H17BrN4O2/c1-7-4-11(9(3)21-7)8(2)18-14(20)12-5-10(15)6-17-13(12)19-16/h4-6,8H,16H2,1-3H3,(H,17,19)(H,18,20)/t8-/m1/s1/f/h18-19H	7BBB7FF9B931D63F