InChI=1/C18H20BrN3O2S/c19-16-8-14(11-25-16)18(24)21-15-5-3-12(4-6-15)9-22-7-1-2-13(10-22)17(20)23/h3-6,8,11,13H,1-2,7,9-10H2,(H2,20,23)(H,21,24)/p+1/t13-/m1/s1/fC18H21BrN3O2S/h21-22H,20H2/q+1 20795B3E91FD7EF5