The synthesized KMUP-3 and/or salts disclosed in the present invention is characterized by having the pharmaceutical functions of myocardial infarction. KMUP-3 protects against myocardial remodeling and cardiac dysfunction processes after myocardial infarction.本發明係將所合成之KMUP-3及/或其鹽類運用於心肌梗塞之醫療功能。KMUP-3可保護防心臟之重構以及心肌梗死後功能減弱之過程。