A compound having a partial structure represented by the formula (A)
(wherein ring Xa represents a nitrogen-containing ring and R represents optionally substituted amino) or a salt thereof. The compound or salt is highly effective in regulating neuromedin U receptors and is useful as a preventive/therapeutic agent for hypertension, etc.
部分结构由式(A)表示的化合物
(其中环 Xa 代表含
氮环,R 代表任选取代的
氨基)的化合物或其盐。该化合物或其盐能有效调节神经生长素 U 受体,可用作高血压等疾病的预防/治疗剂。