InChI=1/C16H15Br2N3O4/c1-25-14-8-13(17)15(18)12(16(14)22)9-19-6-7-20-10-2-4-11(5-3-10)21(23)24/h2-5,8-9,20,22H,6-7H2,1H3/b19-9-/f/h22h,19H B1B704984B091009