InChI=1/C21H19BrN2O2S/c1-26-18-5-2-4-15(20(18)25)17-12-16(13-7-9-14(22)10-8-13)23-21(24-17)19-6-3-11-27-19/h2-11,17,21,24-25H,12H2,1H3/t17-,21+/m0/s1 285EE23D3D541758