Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Pfizer Inc
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Pfizer Inc
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Publication date
Application filed by Pfizer IncfiledCriticalPfizer Inc
Publication of JPS58116486ApublicationCriticalpatent/JPS58116486A/ja
Publication of JPH0251436B2publicationCriticalpatent/JPH0251436B2/ja
The crystalline anhydrous form of (3S-(3 alpha(z),4 beta))-3-(((2-amino-4-thiazolyl)(1-carboxy-1-methylethoxy)-imino)-acetyl)-amino)-4-methyl-2-oxo-1-azetidinesulfonic acid, method for its preparation, mixture and pharmaceutical composition containing it