SYN: nicotinamide.
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ni·a·cin·amide .nī-ə-'sin-ə-.mīd n a bitter crystalline basic amide C6H6N2O that is a member of the vitamin B complex and is formed from and converted to niacin in the living organism, that occurs naturally usu. as a constituent of coenzymes, and that is used similarly to niacin called also nicotinamide
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ni·a·cin·a·mide (ni″ə-sinґə-mīd) [USP] nicotinamide, a B complex vitamin used in the prophylaxis and treatment of pellagra; administered orally, intravenously, or intramuscularly.Medical dictionary. 2011.