What is "butidrine"

n. An adrenergic antagonist.

Butidrine ( INN) (brand names Betabloc, Butidrate, Recetan), or butedrine or butydrine, also known as hydrobutamine or idrobutamine, is a beta blocker related to pronethalol and propranolol that was developed in the 1960s. Similarly to certain other beta blockers, butidrine also possesses local anesthetic properties.