tert-butyl ((S)-1-(((S)-1-((2S,4R)-4-hydroxy-2-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)carbamate

(2S,4R)-1-((S)-2-acetamidopropanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide