(S)-2-({(2S,4R)-2-[(S)-2-((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoylamino)-3-(1-methoxy-1H-indol-3-yl)-propionylamino]-4-methyl-octanoyl}-methyl-amino)-propionic acid methyl ester

tert-butyl N-((2S,4R)-2-((R)-2-((N-((2S,4R)-2-((S)-2-((S)-2-((tert-butoxycarbonyl)amino)-4-methylpentanamido)-3-(1-methoxy-1H-indol-3-yl)propanamido)-4-methyloctanoyl)-N-methyl-L-alanyl)oxy)-4-cyanobutanamido)-4-methyloctanoyl)-N-methyl-L-leucinate