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(2007/10/03)acetic anhydride
2-benzyloxycarbonylamino-3-methylamino-propionic acid methyl ester
(S)-3-amino-2-(((benzyloxy)carbonyl)amino)propanoic acid
methyl (2S)-3-amino-2-{[(benzyloxy)carbonyl]amino}propanoate hydrochloride
(S)-3-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-2-benzyloxycarbonylamino-propionic acid methyl ester