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Application filed by Stefan Ing Csc Lanyi, Skij Vladimir V Kandidat KaminfiledCriticalStefan Ing Csc Lanyi
Priority to CS839300ApriorityCriticalpatent/CS238434B1/cs
Publication of CS930083A1publicationCriticalpatent/CS930083A1/cs
Publication of CS238434B1publicationCriticalpatent/CS238434B1/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.