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(2007/10/03)2-Diazo-3-oxo-butyric acid methyl ester
[(S)-1-(4-Carbamoyl-5-methyl-oxazol-2-yl)-2-methyl-propyl]-carbamic acid benzyl ester
2-((S)-1-Benzyloxycarbonylamino-2-methyl-propyl)-5-methyl-oxazole-4-carboxylic acid
methyl 2-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanamido)-3-oxobutanoate
2-((S)-1-Benzyloxycarbonylamino-2-methyl-propyl)-5-methyl-oxazole-4-carboxylic acid methyl ester