the potency of beta-agonists and antagonists for displacing [ 125i ] iodocyanopindolol for its beta-ar complexes was the following : isoproterenol greater than adrenaline greater than noradrenaline-propranolol greater than serotonin much greater than dopamine greater than phentolamine .
C0014563
adrenaline
C0028351
noradrenaline