CAS No 86933-74-6 , 3-[[2-[[6-amino-2-[[2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]
hexanoyl]amino]-3-hydroxybutanoyl]amino]-4-[[1-[[1-[[1-[[2-[[1-[(1-
amino-4-methylsulfanyl-1-oxobutan-2-yl)amino]-4-methyl-1-oxopentan-2-yl]
amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxo-3-
phenylpropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-4-oxobutanoic
acid