InChI=1/C12H18Br2N2O3S/c1-7(2)3-9(6-17)16-20(18,19)12-10(14)4-8(13)5-11(12)15/h4-5,7,9,16-17H,3,6,15H2,1-2H3/t9-/m0/s1 A021B2552B1FA8DF