InChI=1/C15H13BrN4O/c1-7-4-9(13(21)10(16)5-7)15-19-11-3-2-8(14(17)18)6-12(11)20-15/h2-6,21H,1H3,(H3,17,18)(H,19,20)/f/h21h,19H,17-18H2 F80F09CC876C1573