InChI=1/C19H18BrN5OS/c1-25(2)13-7-4-11(5-8-13)17-21-15-9-6-12(20)10-14(15)16-18(26-17)22-19(27-3)24-23-16/h4-10,17,21H,1-3H3/t17-/m1/s1 8B03A1B2145D38ED