InChI=1/C18H17BrN2O5S/c1-21(13-4-2-12(19)3-5-13)18(23)8-9-27(24,25)14-6-7-16-15(10-14)20-17(22)11-26-16/h2-7,10H,8-9,11H2,1H3,(H,20,22)/f/h20H E5B7268C5D78585D