A nitrogen-containing bicyclic heterocyclic compound represented by the following formula (1) is provided. When the compound or a salt thereof is administered to a human being or an animal, the compound has a strong antagonistic action against EP1 receptors, and is useful, for example, as an active ingredient of a medicine for the prevention and/or treatment of overactive bladder. The compound is also useful as an active ingredient of a medicine for the prevention and/or treatment of symptoms such as frequency urinary, urinary urgency, or urinary incontinence.
提供以下式子(1)所表示的含氮双环
杂环化合物。当该化合物或其盐被用于人类或动物时,该化合物具有强烈的对EP1受体的拮抗作用,例如可用作治疗过度活跃膀胱的药物的有效成分。该化合物也可用作预防和/或治疗频繁排尿、尿急或尿失禁等症状的药物的有效成分。