title: [Nicotinic acid reference standard (Control 811) of National Institute of Hygienic Sciences].
mesh_terms: D007564:Japan; D009539:Nicotinic Acids / Q000592:standards*; D010602:Pharmacopoeias as Topic; D012015:Reference Standards; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D009539:Nicotinic Acids