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Application filed by Stefan Ing Pupala, Klco Jarolim, Ondrej Galis, Stanislav KucerakfiledCriticalStefan Ing Pupala
Priority to CS832527ApriorityCriticalpatent/CS259201B1/cs
Publication of CS252783A1publicationCriticalpatent/CS252783A1/cs
Publication of CS259201B1publicationCriticalpatent/CS259201B1/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.