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(2007/10/03)1-Acetyl-2-(2-methylsulfanyl-ethyl)-3-phenyl-pyrrolidine-2-carboxylic acid ethyl ester
1-Acetyl-5-hydroxy-2-(2-methylsulfanyl-ethyl)-3-phenyl-pyrrolidine-2-carboxylic acid ethyl ester
DL-methionine
3,3-diphenylpropanoyl chloride
N-acetyl-DL-methionine ethyl ester
{(S)-5-Benzylcarbamoyl-5-[(4R,5S)-1-(3,3-diphenyl-propionyl)-6-oxo-4-phenyl-1,7-diaza-spiro[4.4]non-7-yl]-pentyl}-carbamic acid benzyl ester
(S)-6-Benzyloxycarbonylamino-2-[(4R,5S)-1-(3,3-diphenyl-propionyl)-6-oxo-4-phenyl-1,7-diaza-spiro[4.4]non-7-yl]-hexanoic acid methyl ester