InChI=1/C11H9Br2NO4/c1-2-3-18-11(17)14-9-7(10(15)16)4-6(12)5-8(9)13/h2,4-5H,1,3H2,(H,14,17)(H,15,16)/p-1/fC11H8Br2NO4/h17H/q-1 415B81B5EB1625B9