InChI=1/C20H18BrN3O2S/c1-3-13-4-7-15(8-5-13)24-19(26)16(18(25)23-20(24)27)11-22-17-9-6-14(21)10-12(17)2/h4-11,22H,3H2,1-2H3,(H,23,25,27)/b16-11-/f/h23H 2C52CCE443A2F500