InChI=1/C21H22BrNO3S/c1-24-21-12-16(14-23-15-19-6-3-11-27-19)7-8-20(21)26-10-9-25-18-5-2-4-17(22)13-18/h2-8,11-13,23H,9-10,14-15H2,1H3/p+1/fC21H23BrNO3S/h23H/q+1 9B5E3E0B84D8BE5F