108026-39-7 12031-63-9 12034-89-8 12059-51-7 EINECS 234-755-4 Lithium methaniobate Lithium niobate Lithium niobate(V) Lithium niobium oxide Lithium niobium oxide (LiNbO3) Lithium niobium trioxide Niobate, lithium Niobium lithium oxide