InChI=1/C18H20BrN3O2/c1-12-8-14(17(23)15(19)9-12)18(24)21-11-13-4-5-20-16(10-13)22-6-2-3-7-22/h4-5,8-10,23H,2-3,6-7,11H2,1H3,(H,21,24)/f/h21H E8212926B5D11B1B