Wiktionary
alprenolol
n. A drug used to treat angina.
Wikipedia
Alprenolol
Alprenolol, or alfeprol, alpheprol, and alprenololum (Gubernal, Regletin, Yobir, Apllobal, Aptine, Aptol Duriles), is a non-selective beta blocker as well as 5-HT receptor antagonist, used in the treatment of angina pectoris. It is no longer marketed by AstraZeneca, but may still be available from other pharmaceutical companies or generically.