InChI=1/C14H15Br2N3O2/c1-7-5-8(15)11(9(16)6-7)19-12(14(2,3)4)10(13(20)21)17-18-19/h5-6H,1-4H3,(H,20,21)/p-1/fC14H14Br2N3O2/q-1 69678D4788073BC8