the order of potency was isoprenaline > adrenaline > noradrenaline > dopamine.4 the inhibitory actions of noradrenaline ( 1 mum ) and adrenaline ( 1 mum ) were partly reversed by phentolamine ( 1 mum ) or by propranolol ( 1 mum ) , and completely abolished by both antagonists together .
C0028351
noradrenaline
C0014563
adrenaline