InChI=1/C16H17BrN2O5S/c1-11-2-3-12(18-16(20)13-4-5-15(17)24-13)10-14(11)25(21,22)19-6-8-23-9-7-19/h2-5,10H,6-9H2,1H3,(H,18,20)/f/h18H 8EE4BD9B1E8B03DD