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Application filed by Antonin PokornyfiledCriticalAntonin Pokorny
Priority to CS834575ApriorityCriticalpatent/CS240276B1/cs
Publication of CS457583A1publicationCriticalpatent/CS457583A1/cs
Publication of CS240276B1publicationCriticalpatent/CS240276B1/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.