Provided are an iminopyridine derivative having a selective α1D adrenergic receptor antagonistic action and useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like, and a screening method for a compound having an α1D adrenergic receptor antagonistic action. An α1D adrenergic receptor antagonist containing a compound represented by the formula:
wherein each symbol is as defined in the specification, or a salt thereof, and a method of screening for an agent having an α1D adrenergic receptor antagonistic action for the prophylaxis or treatment of a lower urinary tract disease, which includes measuring the bladder smooth muscle tension of rats with bladder outlet obstruction.
提供一种具有选择性α1D
肾上腺素能受体拮抗作用的
吡啶衍生物,可用作预防或治疗下尿路疾病等药物,以及一种筛选具有α1D
肾上腺素能受体拮抗作用的化合物的方法。包含由以下公式表示的化合物的α1D
肾上腺素能受体拮抗剂:其中每个符号如规范中所定义,或其盐,以及一种筛选预防或治疗下尿路疾病的α1D
肾上腺素能受体拮抗剂的方法,该方法包括测量具有膀胱出口梗阻的大鼠膀胱平滑肌张力。