Pronetalol hydrochloride is a β-adrenergic antagonist shown to be effective in the treatment of angina pectoris and some arrhythmias. References: Vilà JI, Calpena AC, Obach R, Domenech J. Gastric, intestinal and colonic absorption of a series of beta-blockers in the rat. Int J Clin Pharmacol Ther Toxicol. 1992 Aug;30(8):280-6. PubMed PMID: 1356102.

纯度：≥98%

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