2-[[2-[[4-amino-2-[[2-[[2-[2-[[2-[[2-amino-3-(4-hydroxyphenyl)propanoyl]amino]acetyl]amino]propanoylamino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]-4-oxobutanoyl]amino]-3-carboxypropanoyl]amino]-4-methylpentanoic acid