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

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

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

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)propanamido)-4-methyloctanoyl)-N-methyl-L-leucinate