InChI=1/C21H20BrN3OS/c1-13-8-14(2)21-18(9-13)19(10-15(3)24-21)27-12-20(26)25-23-11-16-4-6-17(22)7-5-16/h4-11H,12H2,1-3H3,(H,25,26)/b23-11+/f/h25H 2E26991211E85F72