title: [Preparation of nicotinic acid (vitamin P.P.)].
mesh_terms: D006801:Humans; D009525:Niacin; D009539:Nicotinic Acids; D014815:Vitamins
chemical_list: D009539:Nicotinic Acids; D014815:Vitamins; D009525:Niacin
keywords: NICOTINIC ACID
vernacular_title: Poluchenie nikotinovoi kisloty (vitamina PP).