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(2007/10/03)2-tert-butoxycarbonylamino-3-(2,5-difluoro-phenyl)-propionic acid
(R)-2-Acetylamino-3-(2,5-difluoro-phenyl)-propionic acid
2-acetylamino-3-(2,5-difluoro-phenyl)-propionic acid
(R)-2-Amino-3-(2,5-difluoro-phenyl)-propionic acid
(S)-2-Amino-3-(2,5-difluoro-phenyl)-propionic acid