Norepinephrine
Catecholamines
direct on a1 and a2, less on some b1
Epinephrine
direct on a1, a2, b1 and b2
Catecholamines
Isoproterenol
direct on b1 and b2
Catecholamines
Dopamine (exog.)
direct on a1, b1, b2, and DA receptors (renal vessels)
Catecholamines
Dobutamine
direct b1, other
Catecholamines
Phenylephrine
direct on a1
Tetrahydrozoline
direct on a1
Naphazoline
direct on a1
Oxymetazoline
direct on a1
Ritodrine
direct on b2>b1
Metaproterenol
direct on b2>b1
Albuterol
direct on b2>b1
Salbutamol
direct on b2>b1
Salmeterol
direct on b2>b1
Formoterol
direct on b2>b1
Terbutaline
direct on b2>b1
Ephedrine, pseudoephedrine
(increase release) indirect on a+b