InChI=1/C18H17BrN2O5S/c1-4-9-26-14-5-7-15(8-6-14)27(24,25)21(3)17-12(2)10-13(19)11-16(17)18(22)20-23/h1,5-8,10-11,23H,9H2,2-3H3,(H,20,22)/f/h20H 2208585F769458A8