ammonia
type: Concept
alternative label: NH3
broader: nitrogen compounds
preferred label: آمونیاک @fa
related: ammonium compounds

ammonium compounds
type: Concept
preferred label: ترکیبات آمونیم @fa
related: ammonia

nitrogen compounds
type: Concept
narrower: ammonia
preferred label: ترکیبات نیتروژن @fa