title: Benzopyrones. 9. Synthesis and pharmacology of some novel bischromones.
mesh_terms: D002867:Chromones / Q000138:chemical synthesis* / Q000627:therapeutic use; D006634:Histamine H1 Antagonists / Q000138:chemical synthesis / Q000627:therapeutic use; D006967:Hypersensitivity / Q000188:drug therapy; D013329:Structure-Activity Relationship
chemical_list: D002867:Chromones; D006634:Histamine H1 Antagonists