InChI=1/C11H13BrN6O2/c1-2-18-6-8(5-14-18)15-11(20)17-16-10(19)9-3-7(12)4-13-9/h3-6,13H,2H2,1H3,(H,16,19)(H2,15,17,20)/f/h15-17H 1B451D17A5A1341F