Novel heterocyclic compounds shown by the general formula ##STR1## or the pharmaceutically acceptable salts thereof useful as medicament in particular as antagonist of slow reacting substance of anaphylaxis(SRS-A).
新型
杂环化合物的通式为##STR1##或其药学上可接受的盐,可用作药物,特别是作为缓慢反应物质的拮抗剂(SRS-A)的药物。