InChI=1/C19H18BrN2O5S/c1-5-13(3)27-15-6-8-16(9-7-15)28(25,26)22(4)18-12(2)10-14(20)11-17(18)19(23)21-24/h1,6-11,13H,2-4H3,(H-,21,23,24)/q-1/t13-/m1/s1/f/h21H A4832531CD52EE7B