InChI=1/C22H22BrN2O2S/c1-17-21(24-28(2,26)27)12-7-13-22(17)25(15-18-8-4-3-5-9-18)16-19-10-6-11-20(23)14-19/h3-14H,15-16H2,1-2H3/q-1 3DDDA81133F59A10