InChI=1/C15H17BrN2O3S/c1-15(4-5-22(19,20)10-15)18-17-8-11-6-12-7-13(16)2-3-14(12)21-9-11/h2-3,6-8,18H,4-5,9-10H2,1H3/b17-8+/t15-/m0/s1 9FA6BFCE231FFF88