InChI=1/C16H18BrN3O/c1-2-15(11-5-3-6-12(17)9-11)19-13-7-4-8-14(10-13)20-16(18)21/h3-10,15,19H,2H2,1H3,(H3,18,20,21)/t15-/m0/s1/f/h20H,18H2 212027DD1441C3C9