The reaction of L-ascorbic and D-isoascorbic acid with nicotinic acid and its amide.
D000577:Amides; D001205:Ascorbic Acid; D009525:Niacin; D009539:Nicotinic Acids
D000577:Amides; D009539:Nicotinic Acids; D009525:Niacin; C005056:isoascorbic acid; D001205:Ascorbic Acid
ASCORBIC ACID; NICOTINIC ACID