InChI=1/C18H22BrN3O2/c1-4-10-22-13-8-9-14(24-18(23)20-3)16(19)15(13)11-6-7-12(17(11)22)21-5-2/h8-9H,4-7,10H2,1-3H3,(H,20,23)/f/h20H 2000389D3C237859