The present invention provides a compound or a salt thereof having a calcium-sensing receptor antagonistic activity, and being expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like. The compounds represented by formula (I) or a salt thereof has a calcium-sensing receptor antagonistic activity, and is expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like, wherein each symbol is as described in the specification.
本发明提供一种具有
钙感受受体拮抗活性的化合物或其盐,预计可用作预防或治疗心力衰竭、肺动脉高压等疾病的药物。由式(I)表示的化合物或其盐具有
钙感受受体拮抗活性,并预计可用作预防或治疗心力衰竭、肺动脉高压等疾病的药物,其中每个符号如规范中所述。