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

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

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

tert-butyl N-((2S,4R)-2-((R)-2-((N-((2S,4R)-2-((S)-2-((S)-2-((tert-butoxycarbonyl)amino)-N,4-dimethylpentanamido)-3-(1-methoxy-1H-indol-3-yl)propanamido)-4-methyloctanoyl)-N-methyl-L-alanyl)oxy)-5-cyanopentanamido)-4-methyloctanoyl)-N-methyl-L-leucinate

tert-butyl N-((2S,4R)-2-((R)-2-((N-((2S,4R)-2-((S)-3-(4-(benzyloxy)phenyl)-2-((S)-2-((tert-butoxycarbonyl)amino)-N,4-dimethylpentanamido)propanamido)-4-methyloctanoyl)-N-methyl-L-alanyl)oxy)-4-cyanobutanamido)-4-methyloctanoyl)-N-methyl-L-leucinate