text: <unk>  is a high affinity antagonist/partial inverse agonist (also referred to as a beta blocker) of the β-adrenergic receptor.
option_0: Carazolol
option_1: Zoxazolamine
option_2: Gestonorone
option_3: Oxaceprol
option_4: Ethylestrenol
option_5: Danazol
option_6: Letrozole
option_7: Ethisterone