申请人:Sandoz Ltd.
公开号:US04609664A1
公开(公告)日:1986-09-02
Piperidylidene derivatives of formula ##STR1## wherein n is 2 or 3, R.sub.1 comprises a tricyclic nucleus and R.sub.2 is hydrogen or an acid residue, useful in the treatment and prophylaxis of asthmatic conditions.
式##STR1##中的哌啶亚甲基衍生物,其中n为2或3,R.sub.1包括一个三环核,R.sub.2为氢或酸残基,用于治疗和预防哮喘症状。