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(2007/10/03)(2S,3S)-3-Benzyloxycarbonylamino-2-methyl-7-(2-trimethylsilanyl-ethoxymethoxy)-heptanoic acid methyl ester
(S)-3-Benzyloxycarbonylamino-7-(2-trimethylsilanyl-ethoxymethoxy)-heptanoic acid methyl ester
(S)-7-Acetoxy-3-benzyloxycarbonylamino-heptanoic acid methyl ester
Acetic acid (S)-5-benzyloxycarbonylamino-7-diazo-6-oxo-heptyl ester
(S)-3-Benzyloxycarbonylamino-7-hydroxy-heptanoic acid methyl ester