InChI=1/C14H13BrN6O/c1-2-21(18-7-9-3-5-10(15)6-4-9)14-19-11-12(20-14)16-8-17-13(11)22/h3-8H,2H2,1H3,(H2,16,17,19,20,22)/b18-7+/f/h17,20H 9BB54E4221CE9FCB