(η2-4,5-dimethyl-1,2-phenylenediamino)bis(η1-4,5-dimethyl-1,2-phenylenediamino)bis(η1-pivalato)nickel(II)

di(2-aminopyridino)di(η2-O,O'-trimethylacetato)mononickel(II)

bis(1,4-di-tert-butyl-1,3-diazabutadienyl)nickel(II)

nitrato(2,2'-bipyridine)tri(aqua)nickel(II) nitrate C10H14N3NiO6(1+)*NO3(1-), orthorhombic, PBCA