石四药集团：盐酸普萘洛尔已获中国药监局批准登记成为在上市制剂使用的原料药

Core Viewpoint - The announcement indicates that the company has received approval from the National Medical Products Administration of China for its active pharmaceutical ingredient, Propranolol Hydrochloride, to be used in marketed formulations [1] Group 1: Product Approval - Propranolol Hydrochloride is now officially registered for use in marketed formulations in China [1] - The drug is primarily used for secondary prevention to reduce mortality from myocardial infarction, hypertension, exertional angina, and to control supraventricular and ventricular arrhythmias [1]