title: High-performance liquid chromatography of the oral anti-asthmatic agent pirquinozol and its active metabolite.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D006634:Histamine H1 Antagonists / Q000097:blood / Q000652:urine; D006801:Humans; D011799:Quinazolines / Q000097:blood* / Q000652:urine
chemical_list: D006634:Histamine H1 Antagonists; D011799:Quinazolines; C028174:5,6-dihydro-5-oxo-pyrazolo(1,5-c)quinazoline-2-carboxylic acid; C028173:pirquinozol