申请人:Smith Kline & French Laboratories Limited
                            
                            
                                公开号:US04053601A1
                            
                            
                                公开(公告)日:1977-10-11
                            
                            The compounds are 3-((3-substituted amino-2-hydroxypropoxy)-phenyl)-6-hydrazino pyridazines which have .beta.-adrenergic blocking and vasodilator activity.
                            这些化合物是具有β-
肾上腺素能阻滞和血管扩张活性的3-((3-取代
氨基-2-羟基丙氧基)-苯基)-6-
肼基
吡啶嗪。