title: Chromatographic analysis of chlorpheniramine, pyrilamine, and methapyrilene in combination.
mesh_terms: D002744:Chlorpheniramine / Q000032:analysis*; D002845:Chromatography; D002849:Chromatography, Gas; D005029:Ethylenediamines / Q000032:analysis; D006634:Histamine H1 Antagonists / Q000032:analysis*; D008298:Maleates / Q000032:analysis; D013053:Spectrophotometry
chemical_list: D005029:Ethylenediamines; D006634:Histamine H1 Antagonists; D008298:Maleates; D002744:Chlorpheniramine