InChI=1/C21H23BrN2O4S/c1-14(2)13-28-17-6-4-5-16(12-17)23-21(29)24-20(25)15-7-8-19(18(22)11-15)27-10-9-26-3/h4-8,11-12H,1,9-10,13H2,2-3H3,(H2,23,24,25,29)/f/h23-24H A669505E33FCDD2A