InChI=1/C20H21BrN4OS/c1-20(2,3)15-7-5-13(6-8-15)18-23-24-19(27)25(18)22-12-14-11-16(21)9-10-17(14)26-4/h5-12H,1-4H3,(H,24,27)/b22-12+/f/h24H CFC9212BF1152BA7