InChI=1/C13H17Br2N3O2/c1-7(2)3-11(16)13(20)18-17-6-8-4-9(14)5-10(15)12(8)19/h4-7,11,19H,3,16H2,1-2H3,(H,18,20)/p+1/b17-6+/t11-/m0/s1/fC13H18Br2N3O2/h16,18H/q+1 229B182CB8DFD4D8