产品活性：Norepinephrine (Levarterenol; L-Noradrenaline) 是一种有效的肾上腺素能受体 (AR) 激动剂。Norepinephrine 可以激活 α1、α2、β1 受体。 体外：Norepinephrine (NE) 通常被认为是一种 β1-亚型选择性肾上腺素能激动剂，优于 β2-肾上腺素能受体。Norepinephrine (NE) 在较高浓度下 ...

Studies in this laboratory have demonstrated varying responses in heart rate during levarterenol-induced hypertension. A decreased bradycrotic response did not seem to depend on the age of the patient ...