(2S)​-N-​[(1S,​2S,​4S)​-​4-​Amino-​2-​hydroxy-​5-​phenyl-​1-​(phenylmethyl)​pentyl]​-​3-​methyl-​2-​[[[methyl[[2-​(1-​methylethyl)​-​4-​thiazolyl]​methyl]​amino]​carbonyl]​amino]​butanamide