InChI=1/C15H16BrN3O4/c16-9-1-2-10(11(20)7-9)17-12(21)8-3-5-15(6-4-8)13(22)18-14(23)19-15/h1-2,7-8,20H,3-6H2,(H,17,21)(H2,18,19,22,23)/f/h17-19H C5C1DF35D802233B