8-substituted purines as selective adenosine receptor agents
申请人:Merrell Dow Pharmaceuticals Inc.
公开号:US05208240A1
公开(公告)日:1993-05-04
The present invention relates to certain novel 8-substituted purines as selective A.sub.1 -adenosine receptor antagonists which are useful in the treatment of patients suffering from Alzheimer's disease, congestive heart failure or pulmonary bronchoconstriction.