
1) Beta blocker
Found on
https://www.crosswordclues.com/clue/penbutolol

<chemical> A nonselective beta-blocker used as an antihypertensive and an antianginal agent. ... Pharmacological action: adrenergic beta-antagonists, anti-arrhythmia agents, antihypertensive agents, sympatholytics. ... Chemical name: 2-Propanol, 1-(2-cyclopentylphenoxy)-3-((1,1-dimethylethyl)amino)- ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

(pen-bu´tә-lol) a beta-adrenergic blocking agent with intrinsic sympathomimetic activity; used as an antihypertensive in the form of the sulfate salt.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.