CAS No 109528-49-6 , 5-amino-2-[[2-[[2-[[2-[[2-[[1-[2-[[2-[[2-[[2-[[2-[(2-aminoacetyl)amino]-
3-carboxypropanoyl]amino]-3-phenylpropanoyl]amino]-4-carboxybutanoyl]
amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-
carbonyl]amino]-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]-3-(4-
sulfooxyphenyl)propanoyl]amino]-4-methylpentanoyl]amino]-5-oxopentanoic
acid