 
- 
                        L-Isoleucinamide,
O-(1,1-dimethylethyl)-N-[(phenylmethoxy)carbonyl]-L-seryl-L-leucyl-CAS:82996-82-5Formula:C27H44N4O6 
                     
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                        L-Leucine, L-leucyl-L-tyrosyl-L-isoleucyl-CAS:666737-32-2Formula:C27H44N4O6 
                     
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                        L-Leucine, L-tyrosyl-L-leucyl-L-leucyl-CAS:915224-22-5Formula:C27H44N4O6 
                     
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                        L-Threoninamide,
N-(2-methoxy-1-methyl-2-oxoethyl)-L-leucyl-N-(6-amino-6-oxohexyl)-O-(
phenylmethyl)-, (R)-CAS:96135-51-2Formula:C27H44N4O6 
                     
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                        Glycinamide,
N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosyl-D-alanyl-N-(1,3-dimethylbutyl)-
N-ethyl-, (R)-CAS:112550-32-0Formula:C27H44N4O6 
                     
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                        Glycinamide,
N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosyl-D-alanyl-N-(1,3-dimethylbutyl)-
N-ethyl-, (S)-CAS:112652-72-9Formula:C27H44N4O6 
                     
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                        L-Tyrosine, N-[N-(N-L-leucyl-L-leucyl)-L-valyl]-, methyl esterCAS:16473-71-5Formula:C27H44N4O6 
                     
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                        L-Tyrosine, L-leucyl-L-leucyl-L-leucyl-CAS:81156-19-6Formula:C27H44N4O6