Carbamic acid, (2-hydroxy-5-((2-methyl-1-(((2-(4-morpholinyl)-2-oxo-1-(phenylmethyl)ethyl)amino)carbonyl)propyl)amino)-5-oxo-1,4-bis(phenylmethyl)pentyl)-, 1,1-dimethylethyl ester, (1S-(1R*,2R*,4S*,5(R*(R*))))-