InChI=1/C16H16BrN2O5S/c1-10-8-11(17)9-14(16(20)18-21)15(10)19(2)25(22,23)13-6-4-12(24-3)5-7-13/h4-9H,1-3H3,(H-,18,20,21)/q-1/f/h18H EE31820AAEECF429