title: [Spectrophotometric determination of isonicotinic acid hydrazide and its derivatives in medicinal mixtures].
mesh_terms: D002855:Chromatography, Thin Layer; D007538:Isoniazid / Q000032:analysis*; D008722:Methods; D013053:Spectrophotometry
chemical_list: D007538:Isoniazid
vernacular_title: Spektrofotometricheskoe opredelenie gidrazida izonikotinovoĭ kisloty i ego proizvodnykh v lekarstvennykh smesiakh.