Nickel telluride (NiTe)

Nickel tetraphenylporphyrin

Nickel tetrasulfophthalocyanine

Nickel tin trioxide

Nickel titanium oxide

Nickel titanium oxide (NiTiO3)

Nickel titanium tungsten oxide (NiTi20W2O47)

Nickel tungsten oxide (NiWO4)

Nickel uranium oxide (NiU3O10)

Nickel uranyl tetraacetate, of uranium depleted in uranium-235

Nickel vanadium oxide (NiV2O6)

Nickel zirconium oxide (NiZrO3)

Nickel(1+), (1-(2-amino-4-(imino-kappaN)-5(4H)-thiazolylidene)-N-(1-(2-amino-4-(imino-kappaN)-5(4H)-thiazolylidene)-1H-isoindol-3-yl-kappaN)-1H-isoindol-3-aminato-kappaN2)-, chloride (1:1)

Nickel(2+) acrylate

Nickel(2+) hydrogen citrate

Nickel(2+) methacrylate

Nickel(2+) neodecanoate

Nickel(2+) neononanoate

Nickel(2+) neoundecanoate

Nickel(2+) NTA