Compounds having the formula: ##STR1## are selective antagonists of leukotrienes of D.sub.4. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents.
具有以下
化学式的化合物:##STR1##是D.sub.4
白三烯的选择性拮抗剂。这些化合物可用作抗哮喘、抗过敏、抗炎和细胞保护剂。