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Application filed by Kosek Jiri, Lubomir Paska, Zdenek Ing KotulanfiledCriticalKosek Jiri
Priority to CS444683ApriorityCriticalpatent/CS8304446A1/cs
Publication of CS8304446A1publicationCriticalpatent/CS8304446A1/cs
Publication of CS230949B2publicationCriticalpatent/CS230949B2/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.