[Chromatographic determination of nicotinic acid and its derivative].
D002845:Chromatography; D009525:Niacin / Q000032:analysis*; D009539:Nicotinic Acids
D009539:Nicotinic Acids; D009525:Niacin
CHROMATOGRAPHY; NICOTINIC ACID/determination
Determinazione cromatografica di acido nicotinico e derivati.