N-(N-(((2R,3R)-2-((S)-4-azido-2-((R)-2-((tert-butoxycarbonyl)(methyl)amino)-N-methylpropanamido)butanamido)-3-hydroxy-4-methylpentanoyl)-D-isoleucyl)-N-methyl-L-alanyl)-N-methyl-L-leucyl-L-leucine