英语语法分析

The beta-blocker blood pressure drugs atenolol (Tenormin), celiprolol, and talinolol.

阻滞剂类高血压药物阿替洛尔（天诺敏），塞利路尔和他林洛尔。

Objective To observe the antihypertensive efficacy of celiprolol in patients with essential hypertension and compare with that of atenolol.

目的观察塞利洛尔治疗原发性高血压的降压疗效并与阿替洛尔进行比较。