(2R,3S)-N-(4-(2,6-dimethoxyphenyl)-5-(5-methylpyridin-3-yl)-4H-1,2,4-triazol-3-yl)-3-(5-methylpyrimidin-2-yl)butane-2-sulfonamide is an Apelin receptor agonist with an EC50 for Apelin receptors of 0.012 µM.(2R,3S)-N-(4-(2,6-dimethoxyphenyl)-5-(5-methylpyridin-3-yl)-4H-1,2,4-triazol-3-yl)-3-(5- methylpyrimidin-2-yl)butane-2-sulfonamide is used in the treatment of heart failure, atherosclerosis, obesity, diabetes mellitus, amyotrophic lateral sclerosis, coronary artery disease, hypertension, stroke and myocardial infarction.