(±) -WB 4101

(±) -WB 4101 is a highly selective α1-adrenergic receptor antagonist. (±) -WB 4101 blocks norepinephrine-induced vascular smooth muscle contraction to exert antihypertensive and benign prostatic hyperplasia (BPH) -relieving effects. (±) -WB 4101 is promising for research of hypertension and BPH[1].