InChI=1/C16H14BrN3O3S/c1-23-13-7-6-9(17)8-11(13)15(22)20-16(24)19-12-5-3-2-4-10(12)14(18)21/h2-8H,1H3,(H2,18,21)(H2,19,20,22,24)/f/h19-20H,18H2 6538EDF66E301DB4