(Diethylamido)(tert-butylimido)(tert-butoxy)2 tantalum(V)

(Diethylamido)(tert-butylimido)bis(tert-butoxy)niobium(V)

(Dimethylamido)(tert-butylimido)bis(tert-butoxy)niobium(V)

Niobium tetraethoxy dimethylaminoethoxide

Niobium(IV) chloride tetrahydrofuran complex

Penta-sec-butoxy niobium

Niobium(V) ethoxide

Niobium (IV) Oxide

Niobium(IV) 2-ethylhexanoate (11 – 13 % Nb)

Bis(ethylcyclopentadienyl)niobium(IV) dichloride