Compounds of the Formulae: ##STR1## are antagonists of leukotrienes of C.sub.4, D.sub.4 and E.sub.4, the slow reacting substance of anaphylaxis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents.
公式为:##STR1## 的化合物是C.sub.4、D.sub.4和E.sub.4
白三烯、缓慢反应性过敏原质的拮抗剂。这些化合物可用作抗哮喘、抗过敏、抗炎和细胞保护剂。