InChI=1/C18H19BrN4O2/c19-14-4-5-16(20-7-14)21-17(24)11-22-8-12-6-13(10-22)15-2-1-3-18(25)23(15)9-12/h1-5,7,12-13H,6,8-11H2,(H,20,21,24)/t12-,13+/m1/s1/f/h21H AA5E5F9BF45FBC11