Wiktionary
cyanopindolol
n. A drug related to pindolol which acts as both a β1 adrenoreceptor antagonist and a 5-HT1A receptor antagonist.
Wikipedia
Cyanopindolol
Cyanopindolol is a drug related to pindolol which acts as both a β adrenoceptor antagonist and a 5-HT receptor antagonist. Its radiolabelled derivative iodocyanopindolol has been widely used in mapping the distribution of beta adrenoreceptors in the body.