title: [Spectrophotometric study of pyridine derivative pharmaceutical preparations].
mesh_terms: D011725:Pyridines / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011725:Pyridines
vernacular_title: Spektrofotometrychne doslidzhennia farmatsevtychnykh preparativ pokhidnykh pirydynu