InChI=1/C17H18BrNO4S/c1-11(2)16(17(20)21)19-24(22,23)15-9-5-13(6-10-15)12-3-7-14(18)8-4-12/h3-11,16,19H,1-2H3,(H,20,21)/p-1/t16-/m0/s1/fC17H17BrNO4S/q-1 FF8D5A4551F0B21B