Substituted heterospiro pyridine derivatives are anti-allergic and anti-inflammatory agents. They are also useful for the treatment of peptic ulcers. Methods for their preparation and use are disclosed.
替代的杂螺环
吡啶衍生物是抗过敏和抗炎剂。它们还可用于治疗消化性溃疡。本发明揭示了其制备和使用方法。