Niobium7440-03-1100 % similar Niobium monoxide12034-57-050 % similar Niobium dioxide12034-59-250 % similar Niobium diselenide12034-77-450 % similar Niobium nitride24621-21-450 % similar Barium niobium oxide (banb2O6)12009-14-233 % similar Potassium niobate12030-85-233 % similar Cadmium niobium oxide (cd2nb2O7)12187-14-333 % similar