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Application filed by Jiri Ing Pozdena, Dudek PetrfiledCriticalJiri Ing Pozdena
Priority to CS834582ApriorityCriticalpatent/CS232526B1/cs
Publication of CS458283A1publicationCriticalpatent/CS458283A1/cs
Publication of CS232526B1publicationCriticalpatent/CS232526B1/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.