Structural model of Vitamin B3 (Niacin) on the blackboard.

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Photo credit: © Jurgis Mankauskas / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acid, b3, blackboard, chalk, chemical, chemistry, element, food, formula, health, healthcare, healthy, illustration, medical, medicine, molecular, molecule, niacin, niacinamide, nutrition, research, science, scientific, structural, structure, symbol, vitamin