title: Determination of micro amounts of 3-(dithien-2-ylmethylene)-1-methylpiperidine, a non-narcotic antitussive.
mesh_terms: D000996:Antitussive Agents / Q000032:analysis*; D003124:Colorimetry; D008832:Microchemistry; D010880:Piperidines / Q000032:analysis*
chemical_list: D000996:Antitussive Agents; D010880:Piperidines