InChI=1/C17H19BrN4O4/c18-13-1-6-16(26-11-17(19)23)12(9-13)10-20-7-8-21-14-2-4-15(5-3-14)22(24)25/h1-6,9,20-21H,7-8,10-11H2,(H2,19,23)/p+1/fC17H20BrN4O4/h20H,19H2/q+1 0F563C168AF3F7A6