InChI=1/C11H15Br2N3O3S/c1-2-3-9(11(14)15-17)16-20(18,19)10-6-7(12)4-5-8(10)13/h4-6,9,16-17H,2-3H2,1H3,(H2,14,15)/t9-/m0/s1/f/h14H2/b15-11- 21572A952B1EB1A9