InChI=1/C16H15BrN2O4S2/c1-8(20)19-6-5-9-11(7-19)25-15(13(9)16(22)23-2)18-14(21)10-3-4-12(17)24-10/h3-4H,5-7H2,1-2H3,(H,18,21)/f/h18H EA5E74985E13671E