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(2007/10/02)[(S)-1-((S)-1-Azidocarbonyl-2-phenyl-ethylcarbamoyl)-2-phenyl-ethyl]-carbamic acid tert-butyl ester
[(S)-1-((R)-1-Isocyanato-2-phenyl-ethylcarbamoyl)-2-phenyl-ethyl]-carbamic acid tert-butyl ester
Boc-Phe-O-COO-isoBu
Boc-Phe-Phe-NH-NH2
(S)-methyl 2-((S)-2-(tert-butoxycarbonylamino)-3-phenylpropanamido)-3-phenylpropanoate