vitamin B complex
preferred label: ویتامین ب کمپلکس @fa
type: Concept
narrower: vitamin B12

organonitrogen compounds
preferred label: ترکیبات آلی نیتروژن @fa
type: Concept
narrower: vitamin B12

vitamin B12
alternative label: COBALAMINA
scope note: COBALAMINA
broader: heterocyclic compounds
broader: organonitrogen compounds
broader: vitamin B complex
preferred label: ویتامین ب 12 @fa
type: Concept

heterocyclic compounds
preferred label: ترکیبات حلقه‌ای ناهمگن @fa
type: Concept
narrower: vitamin B12