延胡索素乙(简称乙素)是中药延胡索(Corydalis ambigua)有效成份之一,其化学已有详细的研究.关于乙素的药理,本文作者也有过一些报导,证明其镇痛系数此延胡索素甲、丑为高,不易产生耐药性,对呼吸和血压的影响不明显,比吗啡类的安全度更 Cefotaxime B is a traditional Chinese medicine Corydalis (Corydalis ambigua) one of the active ingredients, the chemistry has been studied in detail. About B pharmacological, the authors also had some reports prove that the analgesic coefficient of the corydalis A , Ugly as high, not easy to produce resistance, the impact on breathing and blood pressure is not obvious, more than the safety of morphine more