Alprenolol, or alfeprol, alpheprol, and alprenololum (Gubernal, Regletin, Yobir, Apllobal, Aptine, Aptol Duriles), is a non-selective beta blocker as well as a 5-HT1A and 5-HT1B receptor antagonist,[1] used in the treatment of angina pectoris.

[2] It is no longer marketed by AstraZeneca, but may still be available from other pharmaceutical companies or generically.

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