title: A rapid thin-layer chromatographic method for the determination of noscapine (narcotine) and papaverine in opium and in pharmaceutical preparations.
mesh_terms: D002855:Chromatography, Thin Layer; D008722:Methods; D009665:Noscapine / Q000032:analysis*; D009892:Opium / Q000032:analysis*; D010208:Papaverine / Q000032:analysis*; D010936:Plant Extracts / Q000032:analysis
chemical_list: D010936:Plant Extracts; D009892:Opium; D009665:Noscapine; D010208:Papaverine