InChI=1/C18H18BrN3O2/c1-24-13-7-8-16-14(9-13)15(10-17(23)21-20)18(19)22(16)11-12-5-3-2-4-6-12/h2-9H,10-11,20H2,1H3,(H,21,23)/f/h21H ACC2573C1C9CE078