申请人:Hoffman-La Roche Inc.
公开号:US04663332A1
公开(公告)日:1987-05-05
Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and A are as described herein, are set forth. These compounds are useful as anti-allergic agents and agents for the treatment of cardiovascular diseases.
具有以下公式##STR1##的化合物,在其中R.sub.1、R.sub.2、R.sub.3和A如本文所述。这些化合物可用作抗过敏剂和治疗心血管疾病的药物。