InChI=1/C12H19BrN4O2/c1-12(2,3)4-5-14-11(19)17-16-10(18)9-6-8(13)7-15-9/h6-7,15H,4-5H2,1-3H3,(H,16,18)(H2,14,17,19)/f/h14,16-17H A44A9671370A6F65