Exact Mass: 457.2173
Exact Mass Matches: 457.2173
Found 100 metabolites which its exact mass value is equals to given mass value 457.2173,
within given mass tolerance error 0.0002 dalton. Try search metabolite list with more accurate mass tolerance error
4.0E-5 dalton.
Asp Ile Asn Pro
(2S)-1-[(2S)-2-[(2S,3S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-methylpentanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Asp Ile Pro Asn
(3S)-3-amino-3-{[(2S,3S)-1-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-3-methyl-1-oxopentan-2-yl]carbamoyl}propanoic acid
Asp Leu Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-4-methylpentanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Asp Leu Pro Asn
(3S)-3-amino-3-{[(2S)-1-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-4-methyl-1-oxopentan-2-yl]carbamoyl}propanoic acid
Asp Asn Ile Pro
(2S)-1-[(2S,3S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanamido]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid
Asp Asn Leu Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanamido]-4-methylpentanoyl]pyrrolidine-2-carboxylic acid
Asp Asn Pro Ile
(2S,3S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-methylpentanoic acid
Asp Asn Pro Leu
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-4-methylpentanoic acid
Asp Pro Ile Asn
(3S)-3-amino-4-[(2S)-2-{[(1S,2S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-methylbutyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Asp Pro Leu Asn
(3S)-3-amino-4-[(2S)-2-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-3-methylbutyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Asp Pro Asn Ile
(2S,3S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]-3-methylpentanoic acid
Asp Pro Asn Leu
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]-4-methylpentanoic acid
Asp Pro Gln Val
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-4-carbamoylbutanamido]-3-methylbutanoic acid
Asp Pro Val Gln
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-3-methylbutanamido]-4-carbamoylbutanoic acid
Asp Gln Pro Val
(3S)-3-amino-3-{[(2S)-4-carbamoyl-1-[(2S)-2-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-1-oxobutan-2-yl]carbamoyl}propanoic acid
Asp Gln Val Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-4-carbamoylbutanamido]-3-methylbutanoyl]pyrrolidine-2-carboxylic acid
Asp Val Pro Gln
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-4-carbamoylbutanoic acid
Asp Val Gln Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-methylbutanamido]-4-carbamoylbutanoyl]pyrrolidine-2-carboxylic acid
Glu Asn Pro Val
(4S)-4-amino-4-{[(2S)-3-carbamoyl-1-[(2S)-2-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-1-oxopropan-2-yl]carbamoyl}butanoic acid
Glu Asn Val Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-carbamoylpropanamido]-3-methylbutanoyl]pyrrolidine-2-carboxylic acid
Glu Pro Asn Val
(4S)-4-amino-5-[(2S)-2-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}ethyl]carbamoyl}pyrrolidin-1-yl]-5-oxopentanoic acid
Glu Pro Val Asn
(4S)-4-amino-5-[(2S)-2-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-5-oxopentanoic acid
Glu Val Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-methylbutanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Glu Val Pro Asn
(4S)-4-amino-4-{[(2S)-1-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamoyl}butanoic acid
Ile Asp Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S,3S)-2-amino-3-methylpentanamido]-3-carboxypropanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Ile Asp Pro Asn
(3S)-3-[(2S,3S)-2-amino-3-methylpentanamido]-4-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Ile Asn Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S,3S)-2-amino-3-methylpentanamido]-3-carbamoylpropanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Ile Asn Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S,3S)-2-amino-3-methylpentanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Ile Pro Asp Asn
(3S)-3-{[(2S)-1-[(2S,3S)-2-amino-3-methylpentanoyl]pyrrolidin-2-yl]formamido}-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}propanoic acid
Ile Pro Asn Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S,3S)-2-amino-3-methylpentanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]butanedioic acid
Leu Asp Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-methylpentanamido]-3-carboxypropanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Leu Asp Pro Asn
(3S)-3-[(2S)-2-amino-4-methylpentanamido]-4-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Leu Asn Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-methylpentanamido]-3-carbamoylpropanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Leu Asn Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-4-methylpentanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Leu Pro Asp Asn
(3S)-3-{[(2S)-1-[(2S)-2-amino-4-methylpentanoyl]pyrrolidin-2-yl]formamido}-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}propanoic acid
Leu Pro Asn Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-4-methylpentanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]butanedioic acid
Asn Asp Ile Pro
(2S)-1-[(2S,3S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanamido]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid
Asn Asp Leu Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanamido]-4-methylpentanoyl]pyrrolidine-2-carboxylic acid
Asn Asp Pro Ile
(2S,3S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-3-methylpentanoic acid
Asn Asp Pro Leu
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-4-methylpentanoic acid
Asn Glu Pro Val
(4S)-4-[(2S)-2-amino-3-carbamoylpropanamido]-5-[(2S)-2-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-5-oxopentanoic acid
Asn Glu Val Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-carboxybutanamido]-3-methylbutanoyl]pyrrolidine-2-carboxylic acid
Asn Ile Asp Pro
(2S)-1-[(2S)-2-[(2S,3S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-methylpentanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Asn Ile Pro Asp
(2S)-2-{[(2S)-1-[(2S,3S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-methylpentanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Asn Leu Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-methylpentanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Asn Leu Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-methylpentanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Asn Pro Asp Ile
(2S,3S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-carboxypropanamido]-3-methylpentanoic acid
Asn Pro Asp Leu
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-carboxypropanamido]-4-methylpentanoic acid
Asn Pro Glu Val
(4S)-4-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-4-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}butanoic acid
Asn Pro Ile Asp
(2S)-2-[(2S,3S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-methylpentanamido]butanedioic acid
Asn Pro Leu Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-4-methylpentanamido]butanedioic acid
Asn Pro Val Glu
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-methylbutanamido]pentanedioic acid
Asn Val Glu Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-methylbutanamido]-4-carboxybutanoyl]pyrrolidine-2-carboxylic acid
Asn Val Pro Glu
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-methylbutanoyl]pyrrolidin-2-yl]formamido}pentanedioic acid
Pro Asp Ile Asn
(3S)-3-{[(1S,2S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-methylbutyl]carbamoyl}-3-[(2S)-pyrrolidin-2-ylformamido]propanoic acid
Pro Asp Leu Asn
(3S)-3-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-3-methylbutyl]carbamoyl}-3-[(2S)-pyrrolidin-2-ylformamido]propanoic acid
Pro Asp Asn Ile
(2S,3S)-2-[(2S)-3-carbamoyl-2-[(2S)-3-carboxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]propanamido]-3-methylpentanoic acid
Pro Asp Asn Leu
(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-3-carboxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]propanamido]-4-methylpentanoic acid
Pro Asp Gln Val
(2S)-2-[(2S)-4-carbamoyl-2-[(2S)-3-carboxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]butanamido]-3-methylbutanoic acid
Pro Asp Val Gln
(2S)-4-carbamoyl-2-[(2S)-2-[(2S)-3-carboxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-methylbutanamido]butanoic acid
Pro Glu Asn Val
(4S)-4-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}ethyl]carbamoyl}-4-[(2S)-pyrrolidin-2-ylformamido]butanoic acid
Pro Glu Val Asn
(4S)-4-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-methylpropyl]carbamoyl}-4-[(2S)-pyrrolidin-2-ylformamido]butanoic acid
Pro Ile Asp Asn
(3S)-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-3-[(2S,3S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]propanoic acid
Pro Ile Asn Asp
(2S)-2-[(2S)-3-carbamoyl-2-[(2S,3S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]propanamido]butanedioic acid
Pro Leu Asp Asn
(3S)-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-3-[(2S)-4-methyl-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]propanoic acid
Pro Leu Asn Asp
(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-4-methyl-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]propanamido]butanedioic acid
Pro Asn Asp Ile
(2S,3S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-carboxypropanamido]-3-methylpentanoic acid
Pro Asn Asp Leu
(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-carboxypropanamido]-4-methylpentanoic acid
Pro Asn Glu Val
(4S)-4-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-4-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}butanoic acid
Pro Asn Ile Asp
(2S)-2-[(2S,3S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-methylpentanamido]butanedioic acid
Pro Asn Leu Asp
(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-4-methylpentanamido]butanedioic acid
Pro Asn Val Glu
(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-methylbutanamido]pentanedioic acid
Pro Gln Asp Val
(2S)-2-[(2S)-2-[(2S)-4-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]-3-carboxypropanamido]-3-methylbutanoic acid
Pro Gln Val Asp
(2S)-2-[(2S)-2-[(2S)-4-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]-3-methylbutanamido]butanedioic acid
Pro Val Asp Gln
(2S)-4-carbamoyl-2-[(2S)-3-carboxy-2-[(2S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]propanamido]butanoic acid
Pro Val Glu Asn
(4S)-4-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-4-[(2S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]butanoic acid
Pro Val Asn Glu
(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]propanamido]pentanedioic acid
Pro Val Gln Asp
(2S)-2-[(2S)-4-carbamoyl-2-[(2S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]butanamido]butanedioic acid
Gln Asp Pro Val
(3S)-3-[(2S)-2-amino-4-carbamoylbutanamido]-4-[(2S)-2-{[(1S)-1-carboxy-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Gln Asp Val Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-carboxypropanamido]-3-methylbutanoyl]pyrrolidine-2-carboxylic acid
Gln Pro Asp Val
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-4-carbamoylbutanoyl]pyrrolidin-2-yl]formamido}-3-carboxypropanamido]-3-methylbutanoic acid
Gln Pro Val Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-4-carbamoylbutanoyl]pyrrolidin-2-yl]formamido}-3-methylbutanamido]butanedioic acid
Gln Val Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-methylbutanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Gln Val Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-methylbutanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Val Asp Pro Gln
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-carboxypropanoyl]pyrrolidin-2-yl]formamido}-4-carbamoylbutanoic acid
Val Asp Gln Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-carboxypropanamido]-4-carbamoylbutanoyl]pyrrolidine-2-carboxylic acid
Val Glu Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-4-carboxybutanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Val Glu Pro Asn
(4S)-4-[(2S)-2-amino-3-methylbutanamido]-5-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-5-oxopentanoic acid
Val Asn Glu Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-carbamoylpropanamido]-4-carboxybutanoyl]pyrrolidine-2-carboxylic acid
Val Asn Pro Glu
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}pentanedioic acid
Val Pro Asp Gln
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-3-carboxypropanamido]-4-carbamoylbutanoic acid
Val Pro Glu Asn
(4S)-4-{[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-4-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}butanoic acid
Val Pro Asn Glu
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]pentanedioic acid
Val Pro Gln Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-4-carbamoylbutanamido]butanedioic acid
Val Gln Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-4-carbamoylbutanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Val Gln Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-4-carbamoylbutanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
2-({1-hydroxy-2-isopropyl-2-[methyl({3,6,8-trihydroxy-2-[2-(c-hydroxycarbonimidoyl)ethyl]-2,5,6,7-tetrahydro-1,4-diazocin-5-yl})carbamoyl]ethylidene}amino)propanoic acid
2-({1-hydroxy-2-isopropyl-2-[methyl({3,6,8-trihydroxy-2-[2-(c-hydroxycarbonimidoyl)ethyl]-2,5,6,7-tetrahydro-1,4-diazocin-5-yl})carbamoyl]ethylidene}amino)propanoic acid
