InChI=1/C15H13BrN4O/c1-2-11-13-12(8-3-5-9(16)6-4-8)10(7-17)14(18)21-15(13)20-19-11/h3-6,12,15H,2,18H2,1H3/t12-,15-/m1/s1 F848937276F603A8