title: Determination of antazoline and diphenhydramine in some pharmaceutical preparations containing ephedrine.
mesh_terms: D002626:Chemistry, Pharmaceutical; D004155:Diphenhydramine / Q000032:analysis*; D004338:Drug Combinations; D004809:Ephedrine; D007093:Imidazoles / Q000032:analysis*
chemical_list: D004338:Drug Combinations; D007093:Imidazoles; D004155:Diphenhydramine; D004809:Ephedrine