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Application filed by Zaloudek Josef, Jiri SukfiledCriticalZaloudek Josef
Priority to CS8310182ApriorityCriticalpatent/CS239149B1/cs
Publication of CS1018283A1publicationCriticalpatent/CS1018283A1/cs
Publication of CS239149B1publicationCriticalpatent/CS239149B1/cs
Procedimiento para preparar derivados del acido 7beta-(carboxialquenoilamino)-(1-o,1-5 o 1-50)-3 cefem-4- carboxilico, y los intermediarios de aplicacion exclusiva en dicho procedimiento.