p. 6001 - 6010
(1998)(E)-2-[(3S,4R)-3-Azido-2-oxo-4-((E)-styryl)-azetidin-1-yl]-3-hydroxy-but-2-enoic acid benzyl ester
(2R,3R)-2-Benzyloxycarbonylamino-3-methoxy-butyric acid benzyl ester
(2R,3R)-2-Amino-3-methoxy-butyric acid benzyl ester
(S)-2-Benzyloxycarbonylamino-5-[(R)-1-((1R,2S)-1-benzyloxycarbonyl-2-methoxy-propylcarbamoyl)-2-benzylsulfanyl-ethylcarbamoyl]-pentanoic acid benzyl ester
(2R,3R)-2-Benzyloxycarbonylamino-3-hydroxy-butyric acid benzyl ester