InChI=1/C15H16BrN3O6/c16-9-1-3-10(4-2-9)19-13(24)11(12(23)18-14(19)25)5-17-15(6-20,7-21)8-22/h1-5,17,20-22H,6-8H2,(H,18,23,25)/b11-5-/f/h18H FD628826CFEF845F