InChI=1/C11H12BrN5O2/c1-6-9(10(13)16-18)11(17(2)15-6)19-8-3-7(12)4-14-5-8/h3-5,18H,1-2H3,(H2,13,16)/f/h13H2/b16-10+ DEE8762637AC80CE