InChI=1/C14H19BrN4O2/c1-14(2,3)16-5-4-12(20)17-9-7-11-10(6-8(9)15)18-13(21)19-11/h6-7,16H,4-5H2,1-3H3,(H,17,20)(H2,18,19,21)/p+1/fC14H20BrN4O2/h16-19H/q+1 2B273DFABDD1EF7C