[Ni(bis-2,6(pyrazol-1-yl)pyridine)(N3)2]2*MeOH

[Ni(N,N-dibenzyldithiocarbamate)2(1,10-phenanthroline)]

[Ni(pyridine-3,5-dicarboxylic acid(-2H))(H2O)]n

[Ni(pimelate)(1,3-di-4-pyridylpropane)]n

[Ni(pimelate)(4,4'-dipyridylamine)(H2O)]n