(2S)-2-{[(2S)-2-{[(2S)-2-{[(4-{[(2,6-dimethylphenyl)carbamoyl]amino}phenyl)acetyl]amino}-4-methylpentanoyl]amino}-4-methoxy-4-oxobutanoyl]amino}-3-methylbutanoic acid

methyl (3S)-3-{[(2S)-2-{[(4-{[(2,6-dimethylphenyl)carbamoyl]amino}phenyl)acetyl]amino}-4-methylpentanoyl]amino}-4-({(2S)-3-methyl-1-oxo-1-[(2-phenylethyl)amino]butan-2-yl}amino)-4-oxobutanoate