rat α2b-adrenoceptor

Fiduxosin 是一种具有选择性和有效性的 α1-adrenoceptor 拮抗剂，对 α1a-adrenoceptor，α1b-adrenoceptor 和 α1d-adrenoceptor 有抑制作用，Ki 值分别为 0.160 nM，24.9 nM 和 0.920 nM。Fiduxosin 可用于治疗良性前列腺增生。

α2-adrenoreceptor antagonist

Iloperidone metabolite P95 is a metabolite of the atypical antipsychotic iloperidone . It binds to the serotonin (5-HT) receptor subtype 5-HT2A and α1-, α2B-, and α2C-adrenergic receptors with mean Ki values of 7.08, 21.38, 83.18, and 47.86 nM, respectively, but does not cross the blood-brain barrier.