Tantalum nitride12033-62-4100 % similar Ammonia-D313550-49-750 % similar Tantalum7440-25-750 % similar Tantalum boride (TaB2)12007-35-133 % similar Niobium nitride24621-21-433 % similar Titanium nitride25583-20-433 % similar Zirconium nitride25658-42-833 % similar