Table 1 Specificity of receptor antagonists and affinities.
Antagonist | Specificity |
|---|---|
Phentolamine | α-Adrenergic (α1=α2) |
Phenoxybenzamine | α-Adrenergic (α1=α2) |
Prazosin | α-Adrenergic (α1) |
Labetalol | α and β Adrenergic (α1,β) |
Propranolol | β-Adrenergic (β1=β2) |
Chlorpromazine | Dopaminergic (D2 > D1) |
Haloperidol | Dopaminergic (non-selective) |
Raclopride | Dopaminergic (D1) |