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Preparation of [4S-(4.alpha.,7.alpha.,10a.beta.)]-4-amino-octahydro-5-oxo-7H-pyrido[2,1 -b] [1,3]thiazepine-7-carboxylic acid, methyl ester and salts thereof via novel disulfides

US Patent 6162913 · Granted Dec 19, 2000

Estimated economic value: $461,599,000

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