烟酰胺 Traditional form: 菸酰胺 Pinyin (reading): yānxiān'àn Definitions: nicotinamide; niacinamide Characters: 烟 - smoke, soot; opium; tobacco, cigarettes 酰 - acylate 胺 - amine Traditional characters: 菸 - tobacco, dried leaves; to fade 酰 - acylate 胺 - amine