Objective: To identify the structure and source of the impurity of esmolol hydrochloride injection.
目的：研究盐酸艾司洛尔注射液中杂质的结构和产生的原因。
Conclusion: the study may be provided theoretical basis for quality assessment of the esmolol hydrochloride injection.
结论：本研究可为盐酸艾司洛尔注射液质量评价提供依据。
Objective: to study the effects using esmolol hydrochloride injection to prevent of cardiovascular side effects after cervical plexus block.
目的：观察艾司洛尔对预防颈丛阻滞后心血管反应的效果。
应用推荐