InChI=1/C23H20BrN3O2S/c1-15-7-13-18(14-8-15)25-21(16-9-11-17(24)12-10-16)27-23(30)29-22(26-27)19-5-3-4-6-20(19)28-2/h3-14,21,25H,1-2H3/t21-/m0/s1 93A51AD11518BA1A