PROBLEM TO BE SOLVED: To provide compounds as inotropic agents for the treatment of cardiac dysfunction.SOLUTION: The present invention provides a glucagon-GLP-1 dual agonist for use as a positive inotropic agent, in the treatment of heart disease or heart dysfunction.SELECTED DRAWING: None【課題】心機能障害の処置のための変力剤としての化合物の提供。【解決手段】心臓病または心臓機能不全の処置における陽性変力剤としての使用のためのグルカゴン‐GLP‐1二重作動薬。【選択図】なし