[4-({[(2,6-dimethylphenyl)amino]carbonyl}amino)phenyl]acetic acid

(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