| Symbol | Name | Next information |
| Nb | Niob | more |
| Symbol | Name | Next information |
| Al+Nb | Hliník-Niob | more |
| Al+Nb+Si | Hliník-Niob-K?emík | more |
| Al+Nb+Ti | Hliník-Niob-Titan | more |
| FeNb | Feroniob | more |
| NB+Ni | Nikl-Niob | more |
| NB+Zr | Zirkonium-Niob | more |
| Symbol | Name | Next information |
| NbC | Uhli?itan niobia | more |
| Nb2O5 | Oxide niobia | more |
| Symbol | Name | Next information |
| Nb | Niob | more |
| Nb2O5 | Pentoxid niobia | more |
| NB+Zr | Zirkonium-Niob | more |