Nadoxolol is a non-selective β-adrenaline receptor blocker that can be used in the study of arrhythmias.
[1].
References
[1] Jaeger A, et al. Les intoxications aigus par le nadoxolol. Etude multicentrique de 35 observations [Acute nadoxolol poisoning. A multicentric study of 35 cases]. Toxicol Eur Res. 1982 May;4(3):163-6. French. PMID:7135390