3 the pharmacological properties of the high affinity low capacity site correspond to the known properties of the beta 2-adrenoceptors since the agonists inhibit [ 3h ] -dha binding following the series isoprenaline greater than adrenaline greater than noradrenaline greater than phenylephrine and the antagonists following the series alprenolol congruent to propranolol greater than butoxamine greater than practolol greater than phentolamine .
C0014563
adrenaline
C0028351
noradrenaline