InChI=1/C21H23BrN4S/c1-4-5-19-20(16-8-10-17(22)11-9-16)24-21(27-19)25-23-14-15-6-12-18(13-7-15)26(2)3/h6-14H,4-5H2,1-3H3,(H,24,25)/b23-14+/f/h25H 2C604737B5E28652