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Home › Process for the preparation of the sodium salt of 6[D-(-)&agr;-4-(ethyl-2,3-dioxo-1-piperazinocarbonylamino)phenylacetamido]penicillanic acid

Process for the preparation of the sodium salt of 6[D-(-)&agr;-4-(ethyl-2,3-dioxo-1-piperazinocarbonylamino)phenylacetamido]penicillanic acid

US Patent 6828438 · Granted Dec 7, 2004

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