Bicyclic heterocyclyl containing N-(bicyclic heterocyclyl)-4-piperidinamines having antihistaminic and serotonin-antagonistic properties which compounds are useful agents in the treatment of allergic diseases.
含有双环杂环基的N-(双环杂环基)-4-
哌啶胺,具有抗
组胺和
血清素拮抗性质的双环杂环基化合物是治疗过敏性疾病的有用药物。