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(2007/10/02)(S)-2-((2S,6R)-4-tert-Butoxycarbonylmethyl-5-oxo-2-thiophen-2-yl-[1,4]thiazepan-6-ylamino)-4-phenyl-butyric acid ethyl ester
(R)-2-<(4-nitrobenzolsulfonyl)oxy>-4-phenylbuttersaeure-ethylester
(2R,6R)-6-amino-2-thienylperhydrothiazepin-5-one
[(2R,6R)-5-Oxo-2-thiophen-2-yl-6-(trityl-amino)-[1,4]thiazepan-4-yl]-acetic acid tert-butyl ester
[(2S,6R)-5-Oxo-2-thiophen-2-yl-6-(trityl-amino)-[1,4]thiazepan-4-yl]-acetic acid tert-butyl ester