InChI=1/C18H16BrN2O5S/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/h1,5-8,10-11H,9H2,2-3H3,(H-,20,22,23)/q-1/f/h20H 3539815587378089