申请人:Smith Kline & French Laboratories, Inc.
公开号:US03931177A1
公开(公告)日:1976-01-06
The compounds are 6-(3-substituted amino-2-hydroxypropoxyaryl)-4,5-dihydro-3(2H)-pyridazinones which are .beta.-adrenergic blocking agents.
这些化合物是6-(3-取代氨基-2-羟基丙氧基芳基)-4,5-二氢-3(2H)-吡啶酮,是β-肾上腺素受体阻断剂。