InChI=1/C19H21BrN4OS/c20-18-8-7-17(26-18)16(25)13-24-15-6-2-1-5-14(15)23(19(24)21)12-11-22-9-3-4-10-22/h1-2,5-8,21H,3-4,9-13H2/p+2/fC19H23BrN4OS/h21-22H/q+2 B4E398154EC3167D