InChI=1/C15H16BrN3O2S/c1-8-3-6-12(11(16)7-8)21-9(2)13(20)17-15-19-18-14(22-15)10-4-5-10/h3,6-7,9-10H,4-5H2,1-2H3,(H,17,19,20)/t9-/m1/s1/f/h17H BFBEC8A50E4D2D3F