Novel 2-(3-tert. butyl or isopropylamino-2-hydroxypropoxy)-3-cyanopyridines, their pharmaceutically acceptable salts and their preparation are disclosed. These pyridines are vasodilators having anti-hypertensive activity of rapid onset and extended duration and reduced tendency to cause undesirable tachychardia; they are also .beta.-adrenergic blocking agents.
本发明揭示了2-(3-叔丁基或异丙基
氨基-2-羟基丙氧基)-3-
氰基
吡啶类化合物、它们的药学上可接受的盐以及它们的制备方法。这些
吡啶类化合物是扩血管剂,具有快速发挥和持续时间长的抗高血压活性,并且减少了引起不良心动过速的倾向;它们也是β-
肾上腺素受体阻滞剂。